A metathetic approach to [5/5/6] aza-tricyclic core of dendridine, kopsanone, and lycopalhine a type of alkaloids
S. Kotha, S. Pulletikurti
Synthesis, 51, 3981, 2019.
A simple synthetic strategy to π-conjugated spirofluorene
S. Kotha, R. Ali
J Chem. Sci. 131, 66, 2019.
Advanced Approaches to Post-Assembly Modification of Peptides by Transition-Metal-Catalyzed Reactions
S Kotha, M. Meshram, N. R. Panguluri
Synthesis 51, 1913, 2019.
Application of ring-rearrangement metathesis in organic synthesis: A grand design
S. Kotha, M. Meshram, V. R. Aswar
Tetrahedron Lett. 60, 151337, 2019
Development of new synthetic strategies, tactics and their applications
S. Kotha, M. Meshram
Chemical Record, 19, 2480, 2019.
Diversity-oriented approaches to polycycles and heterocycles via enyne metathesis and diels−alder reaction as key steps
S. Kotha, D. Bansal, A. S. Chavan
ACS Omega, 4, 22261, 2019
Diversity-oriented synthesis of spirothiazolidinediones and their biological evaluation.
S. Kotha S. Kotha, G. Sreevani, L. U. Dzhemileva, M. M. Yunusbaeva, U. M. Dzhemilev, V. A. D’yakonov
Beilstein J. Org. Chem. 15, 2774, 2019
Multicomponent approach to hydantoin and thiohydantoins involving a deep eutectic solvent.
S. Kotha, N. K. Gupta, V. R. Aswar
Chem. Asian J. 14, 3188, 2019.
Realization of photo-thermal metathesis under microwave irradiation conditions: An entry to triquinane frameworks
S. Kotha, S. R. Cheekatla, M. Meshram, B. Vijayalakshmi, S. Vittal
Asian JOC. 8, 2097, 2019.
Ring-opening metathesis of n-alkenyl β-lactams
S. Kotha, Y. Dommaraju, S. Pulletikurti
Heterocycles 98, 79, 2019.
Selectivity in ring-closing metathesis: Synthesis of propellanes and angular aza-triycles
S. Kotha, S. Ansari, V. R. Aswar
Adv. Synth. Catal. 361, 1376, 2019.
Synthesis and acid-catalysed rearrangement of cage propellanes
S Kotha and S R Cheekatla
ChemistrySelect 4, 13440, 2019
Synthesis of alkenyl sulfones containing norbornene moiety
S. Kotha, R. Gunta
Heterocycles 98, 271, 2019.
Synthesis of aza-polyquinanes via Fischer indolization and ring-rearrangement metathesis as key steps
S. Kotha, R. R. Keesari, S. Ansari
Synthesis, 51, 3989, 2019
Synthesis of C3-symmetric star-shaped molecules containing 1,3-azoles via hetero-aryl Heck coupling
S. Kotha, T. Saidulu
Tetrahedron 75, 1359, 2019
Synthesis of C3-symmetric star-shaped molecules containing α-amino acids and dipeptides via Negishi coupling as a key step
S Kotha, T. Saidulu
Beilstein J. Org. Chem. 15, 371, 2019
Synthesis of functionalized cage propellanes and D3-Trishomocubanes via the ring-closing metathesis and acid-promoted rearrangement
S. Kotha, S. R. Cheekatla
Tetrahedron. 75, 84, 2019.
Synthetic application of rongalite: A green tool in the service of Diels−Alder chemistry and beyond
S. Kotha, P. Khedkar, Y. Dommaraju
Tetrahedron Lett. 60, 631, 2019
Synthetic approach to ABCD ring system of anticancer agent fredericamycin A via Claisen rearrangement and ring-closing metathesis as key steps.
S. Kotha, S. R. Cheekatla, A. Fatma
ACS Omega 4, 17109, 2019.
Synthetic Approaches to Star-Shaped Molecules with 1,3,5-Trisubstituted Aromatic Cores
S. Kotha, M. Meshram, N. R. Panguluri, V. Shah, T. Saidulu, M. E. Shirbhate
Chem. Asian J., 14, 1356, 2019
7-Hydroxyhexacyclo[7.5.1.01,7.06,13.08,12.010,14]-pentadecan-15-one-11- Spirocyclopentane
S. Kotha, S. R. Cheekatla, R. Gunta
IUCr Data, 3, x180090, 2018.
Application of claisen rearrangement and olefin metathesis in organic synthesis
S. Kotha, M. Meshram
Chem. Asian J., 13, 1758, 2018.
Application of orgaometallics in organic synthesis.
S. Kotha, M. Meshram
J. Organometa. Chem. 874, 13, 2018.
Design and synthesis of aromatics via a [2+2+2] cyclotrimerization
S. Kotha, K. Lahiri, G. Sreevani
Synlett 29, 2342, 2018.
Design and synthesis of C3-symmetric molecules bearing propellane moieties via cyclotrimerization and a ring-closing metathesis sequence
S. Kotha, T. Saidulu, V. R. Aswar
Beilstein J. Org. Chem. 14, 2537, 2018 .
Design and synthesis of polycycles, heterocycles and macryocycles via strategic utilization of ring-closing metathesis
S. Kotha, M. Meshram, Y. Dommaraju
Chemical Record 1633, 2018.
Design and synthesis of spirotruxene and spirofluorene derivatives
S Kotha, R. Ali, N. R. Panguluri, A. C. Deb
Indian J. Chem. 57B, 1489, 2018 .
Diversity oriented approach to spirorhodanines via a [2+2+2] cyclotrimerization
S. Kotha, G. Sreevani
Eur. J. Org. Chem. 5935, 2018
Hexacyclo[6.5.1.01,5.05,12.07,11.09,13]tetradecane-4,6,14-trione.
S. Kotha, S. R. Cheekatla, R. Gunta
IUCrData 3, x180852, 2018.
Molecular acrobatics in polycyclic frames: Synthesis of functionalized D3- trishomocubanes via the rearrangement approach.
S. Kotha, S. R. Cheekatla
J. Org. Chem., 83, 6315, 2018.
Spiro[cyclopentane-1,11'-hexacyclo[7.6.0.01,6.06,13.08,12.010,14] pentadecane]-7',15'-dione.
S. Kotha, R. Gunta, S. R. Cheekatla, D. Mhatre
IUCrData 3 , x181590, 2018 .
Synergistic approach to polycycles through Suzuki Miyaura cross-coupling and metathesis as key steps.
S. Kotha, M. Meshram, Ch. Chandravathi
Beilstein J. Org. Chem. 14, 2468, 2018 .
Synthesis and Photophysical Properties of C3-Symmetric Star-Shaped Molecules Containing Heterocycles: A New Tactics for Multiple Fischer Indolization.
Kotha, Sambasivarao; Todeti, Saidulu; Das, Tarasankar; Datta, Anindya.
ChemistrySelect, 2018, 3, 136-141
Synthesis and photophysical properties of star-shaped blue green emitting π-conjugated spirotruxenes
S. Kotha, R. Ali, N. R. Panguluri, A Datta, K. K. Kannaujiya
Tetrahedron. Lett. , 59, 4080, 2018 .
Synthesis of benzyl halide derivatives of spirohydantoins via [2+2+2] cyclotrimerization reaction
S. Kotha, G. Sreevani
Tetrahedron. Lett., 59, 1996, 2018.
Synthesis of cage [4.4.2]propellanes and D3- trishomocubanes bearing spiro linkage
S. Kotha, S. R. Cheekatla
J. Chem. Sci. 130, 171, 2018 .
Synthesis of propellanes containing a bicyclo[2.2.2] octene unit via the Diels-Alder reaction and ring-closing metathesis as key steps.
S. Kotha, S. Pulletikurti
RSC Adv., 8, 14906, 2018.
Synthesis of Spiro Barbiturates and Meldrum's Acid Derivatives via a [2+2+2] Cyclotrimerization
S. Kotha, G. Sreevani
Synthesis , 50, 4883, 2018 .
Synthesis of star-shaped pyrrole-based C3-symmetric molecules via ring-closing metathesis, Buchwald-Hartwig cross-coupling and Clauson-Kaas pyrrole synthesis as key steps.
Kotha, Sambasivarao; Todeti, Saidulu; Das, Tarasankar; Datta, Anindya.
Tetrahedron Lett., 2018, 59, 1023-1027
Synthetic approach to oxa-cage systems via ring-closing metathesis
S. Kotha, S. R. Cheekatla, M. Meshram
Heterocycles 97, 1008, 2018 .
[2 + 2 + 2] Cyclotrimerization with Propargyl Halides as Copartners: Formal Total Synthesis of the Antitumor Hsp90 Inhibitor AT13387.
Kotha, Sambasivarao; Sreevani, Gaddamedi.
ACS Omega, 2018, 3, 1850-1855
A New Synthetic Approach to C2-Symmetric Octacyclic Cage Diol via Claisen Rearrangement and Ring-Closing Metathesis as Key Steps.
Kotha, Sambasivarao; Cheekatla, Subba Rao.
ChemistrySelect, 2017, 2, 6877-6881
A short synthetic route to a hybrid molecule benzosultine-sulfone via [2+2+2] cyclotrimerization using Mo(CO)6.
Kotha, Sambasivarao; Sreevani, Gaddamedi.
Heterocycles, 2017, 95, 1204-1210
A Short Synthetic Route to Benzosultine-sulfone using Rongalite and [2+2+2]-Cyclotrimerization.
Kotha, Sambasivarao; Sreevani, Gaddamedi.
ChemistrySelect, 2017, 2, 10804-10808
Application of Fischer indolization under green conditions using deep eutectic solvents.
S. Kotha, Ch. Chandravathi
Chemical Record 17, 1039, 2017.
Application of Fischer Indolization under Green Conditions using Deep Eutectic Solvents.
Kotha, Sambasivarao; Chakkapalli, Chandravathi.
Chem. Rec., 2017, 17, 1039-1058
Design and Synthesis of Spirocycles.
Kotha, Sambasivarao; Panguluri, Nageswara Rao; Ali, Rashid.
Eur. J. Org. Chem., 2017, 2017, 5316-5342
Isomerization and functionalization of 2:1 Diels-Alder adducts of cyclopentadiene and p-benzoquinone: Applications to polycycles via ring-closing metathesis and ring-opening metathesis as key steps.
Kotha, Sambasivarao; Rao, Nalajala Nageswara; Ravikumar, Ongolu; Sreevani, Gaddamedi.
Tetrahedron Lett., 2017, 58, 1283-1286
One-pot synthesis of carbazoles from indoles via a metal free benzannulation.
Kotha, Sambasivarao; Aswar, Vikas R.; Chinnam, Ajay Kumar.
Tetrahedron Lett., 2017, 58, 4360-4362
Ring-Closing Metathesis Approach to Cage Propellanes Containing Oxepane and Tetrahydrofuran Hybrid System.
Kotha, Sambasivarao; Cheekatla, Subba Rao; Mhatre, Darshan S.
Synthesis, 2017, 49, 5339-5350
Synthesis and Photophysical Properties of C3-Symmetric Star-Shaped Molecules Containing Heterocycles Such as Furan, Thiophene, and Oxazole.
Kotha, Sambasivarao; Todeti, Saidulu; Gopal, M. Bala; Datta, Anindya.
ACS Omega, 2017, 2, 6291-6297
Synthesis and Rearrangement of Cage [4.3.2]Propellanes that Contain a Spiro Linkage.
Kotha, Sambasivarao; Rao Cheekatla, Subba; Mandal, Binita.
Eur. J. Org. Chem., 2017, 2017, 4277-4282
Synthesis of indane-based [n.3.3]propellane derivatives via ring-closing metathesis.
Kotha, Sambasivarao; Chinnam, Ajay Kumar.
Indian J. Chem., Sect. B: Org. Chem. Incl. Med. Chem., 2017, , 1065-1069
Synthesis of Intricate Fused N-Heterocycles via Ring-Rearrangement Metathesis.
Kotha, Sambasivarao; Gunta, Rama.
J. Org. Chem., 2017, 82, 8527-8535
Synthesis of tricyclic units of indole alkaloids: Application of Fischer indolization and olefin metathesis.
Kotha, Sambasivarao; Aswar, Vikas R.; Singhal, Gaurav.
Tetrahedron, 2017, 73, 6436-6442
A diversity-oriented approach to indolocarbazoles via Fischer indolization and olefin metathesis: total synthesis of tjipanazole D and I.
Kotha, Sambasivarao; Saifuddin, Mohammad; Aswar, Vikas R.
Org. Biomol. Chem., 2016, 14, 9868-9873
A four-step route to synthetic equivalents of ortho-xylylenes: Dotz benzannulation, desilylation, bromo-dehydroxylation, and sultone formation. A concise approach to oxygenated linearly polycyclic fused aromatics.
Kotha, Sambasivarao; Aswar, Vikas R.; Manchoju, Amarender.
Tetrahedron, 2016, 72, 2306-2315
A new synthetic strategy to 2,3-diallyl-1,4-quinones via one-pot double Claisen rearrangement and retro Diels-Alder reaction.
Kotha, Sambasivarao; Gunta, Rama.
Tetrahedron Lett., 2016, 57, 3021-3023
Bridgehead vicinal diallylation of norbornene derivatives and extension to propellane derivatives via ring-closing metathesis.
Kotha, Sambasivarao; Gunta, Rama.
Beilstein J. Org. Chem., 2016, 12, 1877-1883
Design and synthesis of oxacycles from norbornene derivatives via ring-opening metathesis and ring-rearrangement metathesis.
Kotha, Sambasivarao; Ravikumar, Ongolu; Sreevani, Gaddamedi.
Tetrahedron, 2016, 72, 6611-6615
Design and synthesis of polycyclic bisindoles via Fischer indolization and ring-closing metathesis as key steps.
Kotha, Sambasivarao; Cheekatla, Subba Rao; Chinnam, Ajay Kumar; Jain, Tanu.
Tetrahedron Lett., 2016, 57, 5605-5607
Design and synthesis of polycyclic indoles under green conditions via Fischer indolization.
Kotha, Sambasivarao; Chinnam, Ajay Kumar; Sreenivasachary, Nampally; Ali, Rashid.
Indian J. Chem., Sect. B: Org. Chem. Incl. Med. Chem., 2016, , 1107-1111
Diversity-oriented approach to 1,2,3,4-tetrahydroisoquinoline-3-carboxylic acid (TIC) derivatives.
Kotha, Sambasivarao; Misra, Shilpi; Krishna, Nimita Gopal; Bandi, Vijayalakshmi; Saifuddin, Mohammad; Devunuri, Nagaraju.
Heterocycles, 2016, 93, 185-201
Hexacyclo[7.5.1.01,6.06,13.08,12.010,14]pentadecane-7,15-dione.
Kotha, Sambasivarao; Bandi, Vijayalakshmi; Gunta, Rama; Gaddamedi, Sreevani.
IUCrData, 2016, , Ahead of Print
Ring-Rearrangement-Metathesis Approach to Polycycles: Substrate-Controlled Stereochemical Outcome During Grignard Addition.
Kotha, Sambasivarao; Ravikumar, Ongolu.
Eur. J. Org. Chem., 2016, 2016, 3900-3906
Synthesis of fused azacycle via Overman rearrangement and ring-rearrangement metathesis as key steps.
Kotha, Sambasivarao; Ravikumar, Ongolu.
Tetrahedron Lett., 2016, 57, 1994-1996
Synthesis of phenanthroline and indole based hybrid cyclophane derivatives via ring-closing metathesis.
Kotha, Sambasivarao; Shirbhate, Mukesh E.; Chinnam, Ajay Kumar; Sreevani, Gaddamedi.
Heterocycles, 2016, 93, 399-405
Target Specific Tactics in Olefin Metathesis: Synthetic Approach to cis-syn-cis-Triquinanes and -Propellanes.
Kotha, Sambasivarao; Aswar, Vikas R.
Org. Lett., 2016, 18, 1808-1811
Two directional approach to spirocyclic ethers via Grignard reaction and ring-closing metathesis.
Kotha, Sambasivarao; Ali, Rashid.
Indian J. Chem., Sect. B: Org. Chem. Incl. Med. Chem., 2016, , 1099-1106
A general synthetic approach to para-cyclophanes via ring-closing metathesis.
Kotha, Sambasivarao; Shirbhate, Mukesh E.
Indian J. Chem., Sect. B: Org. Chem. Incl. Med. Chem., 2015, , 1483-1494
A simple approach to bis-spirocycles and spiroindole derivatives via green methods such as Fischer indolization, ring-closing metathesis, and Suzuki-Miyaura cross-coupling.
Kotha, Sambasivarao; Ali, Rashid.
Turk. J. Chem., 2015, 39, 1190-1198
Bidirectional approach to symmetrical spiro-1,3-bisketone via Grignard reaction and two fold ring-closing metathesis as key steps.
Kotha, Sambasivarao; Ali, Rashid; Dipak, Mirtunjay Kumar.
J. Indian Chem. Soc., 2015, 92, 277-281
Design and synthesis of conformationally constrained bicyclo[2.2.2]octane-based unusual _-amino acid derivatives via the Diels-Alder reaction.
Kotha, Sambasivarao; Meshram, Milind.
Heterocycles, 2015, 90, 357-371
Design and synthesis of fused polycycles via Diels-Alder reaction and ring-rearrangement metathesis as key steps.
Kotha, Sambasivarao; Ravikumar, Ongolu.
Beilstein J. Org. Chem., 2015, 11, 1259-1264
Design and synthesis of hybrid cyclophanes containing thiophene and indole units via Grignard reaction, Fischer indolization and ring-closing metathesis as key steps.
Kotha, Sambasivarao; Chinnam, Ajay Kumar; Shirbhate, Mukesh E.
Beilstein J. Org. Chem., 2015, 11, 1514-1519
Design and synthesis of polycyclic sulfones via Diels-Alder reaction and ring-rearrangement metathesis as key steps.
Kotha, Sambasivarao; Gunta, Rama.
Beilstein J. Org. Chem., 2015, 11, 1373-1378
Design and synthesis of propellane derivatives and oxa-bowls via ring-rearrangement metathesis as a key step.
Kotha, Sambasivarao; Gunta, Rama.
Beilstein J. Org. Chem., 2015, 11, 1727-1731
Design of aza-polyquinanes via Fischer indole cyclization under green conditions.
Kotha, Sambasivarao; Chinnam, Ajay Kumar.
Heterocycles, 2015, 90, 690-697
Diversity oriented approach to oxepin derivatives: further expansion via Diels-Alder reaction.
Kotha, Sambasivarao; Ali, Rashid.
Heterocycles, 2015, 90, 645-658
Diversity oriented approach to phenylalanine derivatives via the Diels-Alder reaction involving sulfolene intermediates.
Kotha, Sambasivarao; Bandi, Vijayalakshmi.
Heterocycles, 2015, 90, 226-237
Diversity oriented approach to polycyclics via cross-enyne metathesis and Diels-Alder reaction as key steps.
Kotha, Sambasivarao; Seema, Vittal; Banerjee, Shaibal; Dipak, Mrityunjay Kumar.
J. Chem. Sci. (Bangalore, India), 2015, 127, 155-162
Diversity-Oriented Approach to Cyclophanes via Fischer Indolization and Ring-Closing Metathesis: Substrate-Controlled Stereochemical Outcome in RCM.
Kotha, Sambasivarao; Chinnam, Ajay Kumar; Shirbhate, Mukesh E.
J. Org. Chem., 2015, 80, 9141-9146
Diversity-oriented approach to intricate bis-armed spirocycles involving a two directional [2+2+2] co-trimerization and the [4+2] cycloaddition reaction as key steps.
Kotha, Sambasivarao; Ali, Rashid.
Tetrahedron Lett., 2015, 56, 2172-2175
Diversity-oriented approach to linearly fused spirocycles via strategic utilization of a [2+2+2] cycloaddition and the Diels-Alder reaction.
Kotha, Sambasivarao; Ali, Rashid.
Tetrahedron, 2015, 71, 1597-1603
Diversity-oriented approach to natural product inspired pyrano-carbazole derivatives: strategic utilization of hetero-Diels-Alder reaction, Fischer indolization and the Suzuki-Miyaura cross-coupling reaction.
Kotha, Sambasivarao; Ali, Rashid; Saifuddin, Mohammad.
Tetrahedron, 2015, 71, 9003-9011
Diversity-oriented approach to novel spirocycles via 1,2,4,5-tetrakis(bromomethyl)benzene under operationally simple reaction conditions.
Kotha, Sambasivarao; Ali, Rashid.
Tetrahedron, 2015, 71, 6944-6955
Diversity-oriented approach to spirocycles with indole moiety via Fischer indole cyclization, olefin metathesis and Suzuki-Miyaura cross-coupling reactions.
Kotha, Sambasivarao; Ali, Rashid; Srinivas, Venu; Krishna, Nimita G.
Tetrahedron, 2015, 71, 129-138
Diversity-oriented approach to spirooxindoles: application of a green reagent 'rongalite'.
Kotha, Sambasivarao; Ali, Rashid.
Tetrahedron Lett., 2015, 56, 3992-3995
Diversity-Oriented Approaches to Polycyclics and Bioinspired Molecules via the Diels-Alder Strategy: Green Chemistry, Synthetic Economy, and Beyond.
Kotha, Sambasivarao; Chavan, Arjun S.; Goyal, Deepti.
ACS Comb. Sci., 2015, 17, 253-302
Effect of daily lithium chloride administration on bone mass and strength in growing broiler chickens.
Harvey, B. M.; Eschbach, M.; Glynn, E. A.; Kotha, S.; Darre, M.; Adams, D. J.; Ramanathan, R.; Mancini, R.; Govoni, K. E.
Poult. Sci., 2015, 94, 296-301
Hybrid macrocycle formation and spiro annulation on cis-syn-cis-tricyclo[6.3.0.02,6]undeca-3,11-dione and its congeners via ring-closing metathesis.
Kotha, Sambasivarao; Chinnam, Ajay Kumar; Ali, Rashid.
Beilstein J. Org. Chem., 2015, 11, 1123-1128
Molybdenum hexacarbonyl: air stable catalyst for microwave assisted intermolecular [2+2+2] co-trimerization involving propargyl halides.
Kotha, Sambasivarao; Sreevani, Gaddamedi.
Tetrahedron Lett., 2015, 56, 5903-5908
New approach to cyclophanes containing ethyleneoxy bridge by Glaser-Eglinton coupling.
Kotha, Sambasivarao; Waghule, Gopalkrushna T.
Heterocycles, 2015, 90, 1289-1298
Recent applications of ring-rearrangement metathesis in organic synthesis.
Kotha, Sambasivarao; Meshram, Milind; Khedkar, Priti; Banerjee, Shaibal; Deodhar, Deepak.
Beilstein J. Org. Chem., 2015, 11, 1833-1864
Selected synthetic strategies to cyclophanes.
Kotha, Sambasivarao; Shirbhate, Mukesh E.; Waghule, Gopalkrushna T.
Beilstein J. Org. Chem., 2015, 11, 1274-1331
Spiro annulation of cage polycycles via Grignard reaction and ring-closing metathesis as key steps.
Kotha, Sambasivarao; Saifuddin, Mohammad; Ali, Rashid; Sreevani, Gaddamedi.
Beilstein J. Org. Chem., 2015, 11, 1367-1372
Synthesis of a tricyclic lactam via Beckmann rearrangement and ring-rearrangement metathesis as key steps.
Kotha, Sambasivarao; Ravikumar, Ongolu; Majhi, Jadab.
Beilstein J. Org. Chem., 2015, 11, 1503-1508
Synthesis of conformationally constrained _-amino acid derivatives containing bicyclo[2.2.2] unit via the Diels-Alder and Suzuki-Miyaura cross-coupling reactions as key steps.
Kotha, Sambasivarao; Meshram, Milind; Muthusamy, Gopinathan.
Indian J. Chem., Sect. B: Org. Chem. Incl. Med. Chem., 2015, , 505-513
Synthetic approaches to cyclophanes via Claisen rearrangement and ring-closing metathesis as key steps.
Kotha, Sambasivarao; Chavan, Arjun S.; Waghule, Gopalkrushna T.
J. Indian Chem. Soc., 2015, 92, 1299-1311
Anomalous behaviour of cis-bicyclo[3.3.0]octane-3,7-dione and its derivatives during twofold fischer indole cyclization using low-melting mixtures.
Kotha, Sambasivarao; Chinnam, Ajay Kumar.
Synthesis, 2014, 46, 301-306, 6 pp.
Correlation between carbon-carbon bond length and the ease of retro Diels-Alder reaction.
Kotha, Sambasivarao; Banerjee, Shaibal; Shaikh, Mobin.
J. Chem. Sci. (Bangalore, India), 2014, 126, 1369-1371
Crystal structure of 1,3-diallyl-1,3,3a,4,7,7a-hexahydro-4,7-methano-2-benzothiophene 2,2-dioxide.
Kotha, Sambasivarao; Gunta, Rama.
Acta Crystallogr., Sect. E: Struct. Rep. Online, 2014, 70, o1163-o1164
Crystal structure of the cage derivative pentacyclo[5.4.0.02,6.03,10.05,9]undeca-8,11-dione ethylene dithioketal.
Kotha, Sambasivarao; Sreenivasachary, Nampalli; Deodhar, Deepak; Shaikh, Mobin.
Acta Crystallogr., Sect. E: Struct. Rep. Online, 2014, 70, 246-248
Crystal structures of 3,6-diallyltetracyclo[6.3.0.04,11.05,9]undeca-2,7-dione and 1,7-diallylpentacyclo[5.4.0.02,6. 03,10.05,9]undecane-8,11-dione: allylated caged compounds.
Kotha, Sambasivarao; Seema, Vital; Deodhar, Deepak; Shaikh, Mobin.
Acta Crystallogr., Sect. E: Struct. Rep. Online, 2014, 70, 410-414
Design and synthesis of angularly annulated spirocyclics via enyne metathesis and the Diels-Alder reaction as key steps.
Kotha, Sambasivarao; Ali, Rashid; Tiwari, Arti.
Synthesis, 2014, 46, 2471-2480
Design and synthesis of novel bis-annulated caged polycycles via ring-closing metathesis: pushpakenediol.
Kotha, Sambasivarao; Dipak, Mirtunjay Kumar.
Beilstein J. Org. Chem., 2014, 10, 2664-2670, 7 pp.
Design and synthesis of oxa-bowls via Diels-Alder reaction and ring-rearrangement metathesis as key steps.
Kotha, Sambasivarao; Ravikumar, Ongolu.
Tetrahedron Lett., 2014, 55, 5781-5784
Design of new synthetic strategies to cyclophanes via ring-closing metathesis.
Kotha, Sambasivarao; Shirbhate, Mukesh E.
Tetrahedron Lett., 2014, 55, 6972-6975
Diversity Oriented Approach to Spirobarbituric Acid Derivatives via [2 + 2 + 2] Cycloaddition and Diels-Alder Reaction as Key Steps.
Kotha, Sambasivarao; Ali, Rashid.
Heterocycles, 2014, 88, 789-797
Diversity-oriented approach to carbocycles and heterocycles through ring-rearrangement metathesis, Fischer indole cyclization, and Diels-Alder reaction as key steps.
Kotha, Sambasivarao; Ravikumar, Ongolu.
Eur. J. Org. Chem., 2014, 2014, 5582-5590
Diversity-oriented approach to cyclophanes via Claisen rearrangement and ring-closing metathesis as key steps.
Kotha, Sambasivarao; Waghule, Gopalkrushna T.
Tetrahedron Lett., 2014, 55, 4264-4268
Diversity-Oriented Approach to Normuscopyridine and Its Analogues through Ring-Closing Metathesis.
Kotha, Sambasivarao; Waghule, Gopalkrushna T.; Shirbhate, Mukesh E.
Eur. J. Org. Chem., 2014, 2014, 984-992
Diversity-oriented approach to spirocycles via ring-closing metathesis.
Kotha, Sambasivarao; Ali, Rashid; Chinnam, Ajay Kumar.
Tetrahedron Lett., 2014, 55, 4492-4495
Diversity-oriented approach to unusual amino acid derivatives and heterocycles via methyl 2-acetamidoacrylate and its congeners.
Kotha, Sambasivarao; Bandarugattu, Venkata Babu; Krishna, Nimita Gopal.
Tetrahedron, 2014, 70, 5361-5384
Diversity-oriented synthesis of medicinally important 1,2,3,4-tetrahydroisoquinoline-3-carboxylic acid (Tic) derivatives and higher analogs.
Kotha, Sambasivarao; Deodhar, Deepak; Khedkar, Priti.
Org. Biomol. Chem., 2014, 12, 9054-9091
Synthesis of novel fluoranthene-based conformationally constrained _-amino acid derivatives and polycyclic aromatics via the Diels-Alder reaction.
Kotha, Sambasivarao; Meshram, Milind.
Synthesis, 2014, 46, 1525-1531, 7 pp.
Diversity oriented approach to triazole based peptidomimetics as mammalian sterile 20 kinase inhibitors.
Kotha, S.; Goyal, D.; Bitra, A.; Thota, N.; Kruger, G.; Anand, R.
RSC Adv., 2013, 3, 24447-24454
Diversity-oriented approach to novel spirocyclic compounds via enyne metathesis, diels-Alder reaction, and a [2 + 2 + 2] cycloaddition as key steps.
Kotha, Sambasivarao; Ali, Rashid; Tiwari, Arti.
Synlett, 2013, 24, 1921-1926
Diversity-Oriented Approaches to Unusual _-Amino Acids and Peptides: Step Economy, Atom Economy, Redox Economy, and Beyond.
Kotha, Sambasivarao; Goyal, Deepti; Chavan, Arjun S.
J. Org. Chem., 2013, 78, 12288-12313
Functionalization of anthracene by strategic utilization of the Diels-Alder reaction and the ring-closing metathesis.
Kotha, Sambasivarao; Meshram, Milind.
J. Indian Chem. Soc., 2013, 90, 1789-1794
Non-Metathetic Behaviour of Olefin Metathesis Catalysts.
Kotha, Sambasivarao; Misra, Shilpi; Sreevani, Gaddamedi; Babu, Bandarugattu V.
Curr. Org. Chem., 2013, 17, 2776-2795
Recent developments in the retro-Diels-Alder reaction.
Kotha, Sambasivarao; Banerjee, Shaibal.
RSC Adv., 2013, 3, 7642-7666
Synthesis of indole-based propellane derivatives via Weiss-Cook condensation, Fischer indole cyclization, and ring-closing metathesis as key steps.
Kotha, Sambasivarao; Chinnam, Ajay Kumar; Tiwari, Arti.
Beilstein J. Org. Chem., 2013, 9, 2709-2714, 6 pp.
A novel di-triazole based peptide as a highly sensitive and selective fluorescent chemosensor for Zn2+ ions.
Kotha, Sambasivarao; Goyal, Deepti; Banerjee, Subhasree; Datta, Anindya.
Analyst (Cambridge, U. K.), 2012, 137, 2871-2875
Diversity oriented approach to 9-aryl-substituted naphthoxepine derivatives via claisen rearrangement, ring-closing metathesis and Suzuki-Miyaura cross-coupling as key steps.
Kotha, Sambasivarao; Srinivas, Venu; Krishna, Nimita G.
Heterocycles, 2012, 86, 1555-1563
Diversity Oriented Approach to Crownophanes by Enyne Metathesis and Diels-Alder Reaction as Key Steps.
Kotha, Sambasivarao; Waghule, Gopalkrushna T.
J. Org. Chem., 2012, 77, 6314-6318
Diversity Oriented Approach to Polycyclic Compounds through the Diels-Alder Reaction and the Suzuki Coupling.
Kotha, Sambasivarao; Misra, Shilpi; Srinivas, Venu.
Eur. J. Org. Chem., 2012, 2012, 4052-4062, S4052/1-S4052/26
Diversity-oriented approach to macrocyclic cyclophane derivatives by Suzuki-Miyaura cross-coupling and olefin metathesis as key steps.
Kotha, Sambasivarao; Chavan, Arjun S.; Shaikh, Mobin.
J. Org. Chem., 2012, 77, 482-489
Diversity-oriented approach to macrocyclic cyclophane derivatives via ring-closing metathesis.
Kotha, Sambasivarao; Shirbhate, Mukesh E.
Synlett, 2012, 23, 2183-2188
Rongalite: A Useful Reagent in Organic Synthesis.
Kotha, Sambasivarao; Khedkar, Priti.
Chem. Rev. (Washington, DC, U. S.), 2012, 112, 1650-1680
Strategies and tactics in olefin metathesis.
Kotha, Sambasivarao; Dipak, Mirtunjay Kumar.
Tetrahedron, 2012, 68, 397-421
Synthesis of modified phenylalanine peptides by cross enyne metathesis and a Ddiels-Alder reaction as key steps.
Kotha, Sambasivarao; Goyal, Deepti; Thota, Niranjan; Srinivas, Venu.
Eur. J. Org. Chem., 2012, 2012, 1843-1850, S1843/1-S1843/35
A new approach to 3-substituted tetrahydro-_-carboline derivative via diethyl acetamidomalonate.
Kotha, Sambasivarao; Misra, Shilpi; Mobin, Shaikh M.
Amino Acids, 2011, 41, 933-936
A synergistic approach to polycyclics via a strategic utilization of Claisen rearrangement and olefin metathesis.
Kotha, Sambasivarao; Krishna, Nimita G.; Halder, Somnath; Misra, Shilpi.
Org. Biomol. Chem., 2011, 9, 5597-5624
Diversity-oriented synthesis of biaryl derivatives using cross-enyne metathesis, Diels-Alder reaction, and Suzuki-Miyaura cross-coupling as key steps.
Kotha, Sambasivarao; Seema, Vittal.
Synlett, 2011, , 2329-2334
Serendipitous and acid catalyzed synthesis of spirolactones.
Kotha, Sambasivarao; Dipak, Mirtunjay Kumar; Mobin, Shaikh M.
Tetrahedron, 2011, 67, 4616-4619
Synthesis of a new fluorescent macrocyclic _-amino acid derivative via tandem cross-enyne/ring-closing metathesis cascade catalyzed by ruthenium based catalysts.
Kotha, Sambasivarao; Bansal, Deepti; Singh, Kuldeep; Banerjee, Subhasree.
J. Organomet. Chem., 2011, 696, 1856-1860
Synthesis of biaryl derivatives by using ruthenium-mediated [2 + 2 + 2] cyclotrimerization and Suzuki-Miyaura cross-coupling as key steps.
Kotha, Sambasivarao; Seema, Vittal; Mobin, Shaikh M.
Synthesis, 2011, , 1581-1586
Synthesis of linearly and angularly fused indane-based constrained _-amino acid derivatives.
Kotha, Sambasivarao; Krishna, Nimita Gopal; Misra, Shilpi; Khedkar, Priti.
Synthesis, 2011, , 2945-2950
Synthesis of polycyclic aromatics from a diiodosultine by Suzuki-Miyaura cross-coupling and Diels-Alder reaction.
Kotha, Sambasivarao; Meshram, Milind.
Heterocycles, 2011, 82, 1663-1668
Synthetic approach to cis and trans-decalins via Diels-Alder reaction and ring-closing metathesis as key steps: further extension to dioxapropellane derivative by ring-closing metathesis.
Kotha, Sambasivarao; Chavan, Arjun S.; Dipak, Mirtunjay Kumar.
Tetrahedron, 2011, 67, 501-504
Synthetic approach to linearly annulated tetralin-based constrained _-amino acid derivatives via Rongalite.
Kotha, Sambasivarao; Krishna, Nimita Gopal.
Curr. Sci., 2011, 101, 923-934
A simple approach to a curved hexaquinane.
Kotha, Sambasivarao; Rallapalli, Sivakumar.
ARKIVOC (Gainesville, FL, U. S.), 2010, , 90-95
Design and Synthesis of Benzosultine-sulfone as a o-Xylylene Precursor via Cross-enyne Metathesis and Rongalite: Further Expansion to Polycyclics via Regioselective Diels-Alder Reaction.
Kotha, Sambasivarao; Chavan, Arjun S.
J. Org. Chem., 2010, 75, 4319-4322
Diversity-oriented approach to 1,2,3,4-tetrahydroisoquinoline-3-carboxylic acid (TIC) derivatives using diethyl acetamidomalonate as a glycine equivalent: further expansion by Suzuki-Miyaura cross-coupling reaction.
Kotha, Sambasivarao; Misra, Shilpi; Krishna, Nimita Gopal; Devunuri, Nagaraju; Hopf, Henning; Keecherikunnel, Abhilash.
Heterocycles, 2010, 80, 847-854
Ethyl isocyanoacetate as a useful glycine equivalent.
Kotha, Sambasivarao; Halder, Somnath.
Synlett, 2010, , 337-354
Strategic utilization of catalytic metathesis and photo-thermal metathesis in caged polycyclic frames.
Kotha, Sambasivarao; Seema, Vittal; Singh, Kuldeep; Deodhar, Kodand Dinkar.
Tetrahedron Lett., 2010, 51, 2301-2304
A diversity-oriented approach to diphenylalkanes by strategic utilization of [2 + 2 + 2] cyclotrimerization, cross-enyne metathesis and Diels-Alder reaction.
Kotha, Sambasivarao; Khedkar, Priti.
Eur. J. Org. Chem., 2009, , 730-738
A retrospective on the design and synthesis of novel molecules through a strategic consideration of metathesis and Suzuki-Miyaura cross-coupling.
Kotha, Sambasivarao; Mandal, Kalyaneswar.
Chem. - Asian J., 2009, 4, 354-362
Advanced approach to polycyclics by a synergistic combination of enyne metathesis and Diels-Alder reaction.
Kotha, Sambasivarao; Meshram, Milind; Tiwari, Arti.
Chem. Soc. Rev., 2009, 38, 2065-2092
Cross-enyne and ring closing metathesis cascade: A building-block approach suitable for diversity-oriented synthesis of densely functionalized macrohetrocycles with amino acid scaffolds.
Kotha, S.; Singh, K.
Chemtracts, 2009, 22, 203
Differential reactivity pattern of hybrid o-quinodimethane precursors: strategic expansion to annulated benzocycloalkanes via rongalite.
Kotha, Sambasivarao; Khedkar, Priti.
J. Org. Chem., 2009, 74, 5667-5670
Selected synthetic strategies to spirocyclics.
Kotha, Sambasivarao; Deb, Ashoke Chandra; Lahiri, Kakali; Manivannan, Ethirajan.
Synthesis, 2009, , 165-193
Synthesis of nano-sized C3-symmetric 2,4,6-triphenyl-1,3,5-s-triazine and 1,3,5-triphenylbenzene derivatives via the trimerization followed by Suzuki-Miyaura cross-coupling or O-alkylation reactions and their biological evaluation.
Kotha, Sambasivarao; Kashinath, Dhurke; Lopus, Manu; Panda, Dulal.
Indian J. Chem., Sect. B: Org. Chem. Incl. Med. Chem., 2009, , 1766-1770
Synthesis of symmetrical and unsymmetrical trisubstituted benzene derivatives through ring-closing alkyne metathesis strategy and depropargylation with various catalysts.
Kotha, Sambasivarao; Bansal, Deepti; Kumar, Ramanatham Vinod.
Indian J. Chem., Sect. B: Org. Chem. Incl. Med. Chem., 2009, , 225-230
Benzannulation.
Kotha, Sambasivarao; Misra, Shilpi; Halder, Somnath.
Tetrahedron, 2008, 64, 10775-10790
Crystal structure of 2,6-diisocyano-1,2,3,5,6,7-hexahydro-s-indacene-2,6-dicarboxylic acid diethylester.
Kumaradhas, P.; Gupta, Kundan R.; Kotha, Sambasivarao; Brahmachari, Enugurthi; Nirmala, K. A.
Anal. Sci.: X-Ray Struct. Anal. Online, 2008, 24, x65-x66
Design and synthesis of 1-benzazepine derivatives by strategic utilization of Suzuki-Miyaura cross-coupling, aza-Claisen rearrangement and ring-closing metathesis.
Kotha, Sambasivarao; Shah, Vrajesh R.
Eur. J. Org. Chem., 2008, , 1054-1064
Design and synthesis of a novel anthracene-based fluorescent probe through the application of the Suzuki-Miyaura cross-coupling reaction.
Kotha, S.; Shah, V. R.; Mishra, P. P.; Datta, A.
Amino Acids, 2008, 35, 169-173
Design and synthesis of spiro-heterocycles by ring-closing metathesis.
Kotha, Sambasivarao; Deb, Ashoke Chandra.
Indian J. Chem., Sect. B: Org. Chem. Incl. Med. Chem., 2008, , 1120-1134
Synthesis of a conformationally constrained phenylalanine derivative by a strategic combination of ring-closing enyne metathesis and Diels-Alder reaction.
Kotha, Sambasivarao; Khedkar, Priti.
Synthesis, 2008, , 2925-2928
Synthesis of C3-symmetric and C4-symmetric amino acid derivatives via Suzuki-Miyaura cross-coupling reaction.
Kotha, S.; Shah, V. R.
Amino Acids, 2008, 35, 83-88
Synthesis of liquid crystalline materials based on 1,3,5-triphenylbenzene and 2,4,6-triphenyl-1,3,5-s-triazine.
Kotha, Sambasivarao; Kashinath, Dhurke; Kumar, Sandeep.
Tetrahedron Lett., 2008, 49, 5419-5423
Cross-enyne and ring-closing metathesis cascade: a building-block approach suitable for diversity-oriented synthesis of densely functionalized macroheterocycles with amino acid scaffolds.
Kotha, Sambasivarao; Singh, Kuldeep.
Eur. J. Org. Chem., 2007, , 5909-5916
Expanding the diversity of polycyclic aromatics through a Suzuki-Miyaura cross-coupling strategy.
Kotha, Sambasivarao; Lahiri, Kakali.
Eur. J. Org. Chem., 2007, , 1221-1236
Formation of arenes via diallylarenes: strategic utilization of Suzuki-Miyaura cross-coupling, Claisen rearrangement and ring-closing metathesis.
Kotha, Sambasivarao; Shah, Vrajesh R.; Mandal, Kalyaneswar.
Adv. Synth. Catal., 2007, 349, 1159-1172
Metathesis of a novel dienediyne system: A unique example involving the usage of in situ generated ethylene as cross-enyne metathesis partner.
Kotha, Sambasivarao; Mandal, Kalyaneswar.
J. Organomet. Chem., 2007, 692, 4921-4927
Synthesis of bis- and trisoxazole derivatives via Suzuki-Miyaura cross-coupling reaction and van Leusen oxazole synthesis.
Kotha, Sambasivarao; Shah, Vrajesh R.
Synthesis, 2007, , 3653-3658
Synthesis of bis-armed amino acid derivatives via the alkylation of ethyl isocyanoacetate and the Suzuki-Miyaura cross-coupling reaction.
Kotha, S.; Shah, V. R.; Halder, S.; Vinodkumar, R.; Lahiri, K.
Amino Acids, 2007, 32, 387-394
Synthesis of conformationally constrained _-imino acid derivatives via ring-closing metathesis.
Kotha, Sambasivarao; Khedkar, Priti.
Indian J. Chem., Sect. B: Org. Chem. Incl. Med. Chem., 2007, , 975-979
Synthesis of crown-based sulfones via Rongalite: diversity-oriented approach to annulated benzocrowns by Diels-Alder reactions.
Kotha, Sambasivarao; Kashinath, Dhurke; Khedkar, Priti.
Synthesis, 2007, , 3357-3360
Synthesis of diverse polycyclic compounds via catalytic metathesis.
Kotha, Sambasivarao; Lahiri, Kakali.
Synlett, 2007, , 2767-2784
Synthesis of novel 1,2,3,4-tetrahydroisoquinoline-3-carboxylic acid derivatives through the application of rongalite: a synergistic combination of [2+2+2]- and [4+2]-cycloaddition reactions.
Kotha, Sambasivarao; Banerjee, Shaibal.
Synthesis, 2007, , 1015-1020
Synthesis of novel quinone-amino acid hybrids via cross-enyne metathesis and Diels-Alder reaction as key steps.
Kotha, Sambasivarao; Mandal, Kalyaneswar; Banerjee, Shaibal; Mobin, Shaikh M.
Eur. J. Org. Chem., 2007, , 1244-1255
A new and simple synthetic approach to functionalized sulfone derivatives by the Suzuki-Miyaura cross-coupling reaction.
Kotha, Sambasivarao; Ghosh, Arun Kumar.
Indian J. Chem., Sect. B: Org. Chem. Incl. Med. Chem., 2006, , 227-231
Bidisperse magnetorheological fluids using Fe particles at nanometer and micron scale.
Wereley, N. M.; Chaudhuri, A.; Yoo, J.-H.; John, S.; Kotha, S.; Suggs, A.; Radhakrishnan, R.; Love, B. J.; Sudarshan, T. S.
J. Intell. Mater. Syst. Struct., 2006, 17, 393-401
Design and synthesis of novel propellanes by using Claisen rearrangement and ring-closing metathesis as the key steps.
Kotha, Sambasivarao; Dipak, Mirtunjay Kumar.
Chem. - Eur. J., 2006, 12, 4446-4450
Design and synthesis of spirocyclics via the Diels-Alder reaction and ring-opening cross-metathesis as key steps.
Kotha, Sambasivarao; Deb, Ashoke Chandra; Chattopadhyay, Subrata.
Lett. Org. Chem., 2006, 3, 128-134
Diversity-oriented approach to biologically relevant molecular frameworks starting with _-naphthol and using the Claisen rearrangement and olefin metathesis as key steps.
Kotha, Sambasivarao; Mandal, Kalyaneswar; Tiwari, Arti; Mobin, Shaikh M.
Chem. - Eur. J., 2006, 12, 8024-8038
Preparation of functionalized tetraphenylmethane derivatives via the Suzuki-Miyaura cross-coupling reaction.
Kotha, Sambasivarao; Behera, Manoranjan.
Indian J. Chem., Sect. B: Org. Chem. Incl. Med. Chem., 2006, , 2684-2689
Retro Diels-Alder reaction under mild conditions: experimental and theoretical studies.
Kotha, Sambasivarao; Banerjee, Shaibal; Patil, Mahendra P.; Sunoj, Raghavan B.
Org. Biomol. Chem., 2006, 4, 1854-1856
Suzuki-Miyaura cross-coupling and ring-closing metathesis: a strategic combination for the synthesis of cyclophane derivatives.
Kotha, Sambasivarao; Mandal, Kalyaaneswar.
Eur. J. Org. Chem., 2006, , 5387-5393
A simple synthetic approach to allylated aromatics via the Suzuki-Miyaura cross-coupling reaction.
Kotha, Sambasivarao; Behera, Manoranjan; Shah, Vrajesh R.
Synlett, 2005, , 1877-1880
An iterative approach to higher polyquinanes.
Kotha, Sambasivarao; Sivakumar, Rallapalli.
ARKIVOC (Gainesville, FL, U. S.), 2005, , 78-88
New synthetic approach to a [1.1.6] metapara cyclophane derivative via Suzuki-Miyaura cross-coupling and ring-closing metathesis.
Kotha, Sambasivarao; Mandal, Kalyaneswar; Arora, Kapildev K.; Pedireddi, V. R.
Adv. Synth. Catal., 2005, 347, 1215-1218
Post-assembly peptide modifications by chemical methods.
Kotha, Sambasivarao; Lahiri, Kakali.
Curr. Med. Chem., 2005, 12, 849-875
Spiro-annulation of barbituric acid derivatives and its analogs by ring-closing metathesis reaction.
Kotha, Sambasivarao; Deb, Ashoke Chandra; Kumar, Ramanatham Vinod.
Bioorg. Med. Chem. Lett., 2005, 15, 1039-1043
Synthesis of functionalized benzo-18-crown-6 compounds via the Suzuki-Miyaura cross-coupling reaction.
Kotha, Sambasivarao; Kashinath, Dhurke.
Synthesis, 2005, , 971-976
Synthesis of macrocyclic cyclophane-based unusual _-amino acid derivatives.
Kotha, Sambasivarao; Halder, Somnath.
ARKIVOC (Gainesville, FL, U. S.), 2005, , 56-66
Synthesis of symmetrical sulfones from rongalite: Expansion to cyclic sulfones by ring-closing metathesis.
Kotha, Sambasivarao; Khedkar, Priti; Ghosh, Arun Kumar.
Eur. J. Org. Chem., 2005, , 3581-3585
Transition metal-catalyzed [2+2+2] cycloaddition and application in organic synthesis.
Kotha, Sambasivarao; Brahmachary, Enugurthi; Lahiri, Kakali.
Eur. J. Org. Chem., 2005, , 4741-4767
A Diels-Alder approach for the synthesis of highly functionalized benzo-annulated indane-based _-amino acid derivatives via a sultine intermediate.
Kotha, Sambasivarao; Ghosh, Arun Kumar.
Tetrahedron Lett., 2004, 45, 2931-2934
A new protocol for benzoannulation by double Claisen rearrangement and ring-closing metathesis reactions as key steps.
Kotha, Sambasivarao; Mandal, Kalyaneswar.
Tetrahedron Lett., 2004, 45, 2585-2588
Alkylation of isonitrile derivatives with 2,2'-bis(bromomethyl)-1,1'-biphenyl.
Kotha, Sambasivarao; Behera, Manoranjan.
Indian J. Chem., Sect. B: Org. Chem. Incl. Med. Chem., 2004, , 922-926
Conformational switching caused by biphenyl substitution at the C_ position: ethyl 2-benzyl-2-(formylamino)-3-phenylpropionate and ethyl 3-(1,1'-biphenyl-4-yl)-2-(formylamino)-2-(4-phenylbenzyl)propionate.
Damodharan, Lakshminarasimhan; Pattabhi, Vasantha; Behera, Manoranjan; Kotha, Sambasivarao.
Acta Crystallogr., Sect. C: Cryst. Struct. Commun., 2004, , o527-o530
Cycloaddition approach to benzo-annulated indane-based _-amino acid derivatives.
Kotha, Sambasivarao; Ghosh, Arun Kumar.
Tetrahedron, 2004, 60, 10833-10841
Environmentally benign process for the synthesis of N-formyl amino acid esters.
Kotha, Sambasivarao; Behera, Manoranjan; Khedkar, Priti.
Tetrahedron Lett., 2004, 45, 7589-7590
Metathetic approach to naphthoxepin and spirocyclic molecular frameworks.
Kotha, Sambasivarao; Mandal, Kalyaneswar.
Tetrahedron Lett., 2004, 45, 1391-1394
Microwave-assisted Claisen rearrangement on a silica gel support.
Kotha, Sambasivarao; Mandal, Kalyaneswar; Deb, Ashoke Chandra; Banerjee, Shaibal.
Tetrahedron Lett., 2004, 45, 9603-9605
N-Alkylation of diethyl acetamidomalonate: synthesis of constrained amino acid derivatives by ring-closing metathesis.
Kotha, Sambasivarao; Singh, Kuldeep.
Tetrahedron Lett., 2004, 45, 9607-9610
Nanocomposite magneto-rheological fluids with uniformly dispersed Fe nanoparticles.
Poddar, P.; Wilson, J. L.; Srikanth, H.; Yoo, J.-H.; Wereley, N. M.; Kotha, S.; Barghouty, L.; Radhakrishnan, R.
J. Nanosci. Nanotechnol., 2004, 4, 192-196
Optimization of interactions in crystal packing revealed by crystal structures [ethyl 2-(formylamino)-3-thien-2-yl-2-(thien-2-ylmethyl)propanoate and ethyl 3-(5-bromothien-2-yl)-2-[(5-bromothien-2-yl)methyl]-2-(formylamino)propanoate].
Damodharan, Lakshminarasimhan; Pattabhi, Vasantha; Behera, Manoranjan; Kotha, Sambasivarao.
J. Mol. Struct., 2004, 705, 101-106
Oxidative dehydrogenation and the aromatization of polycycles using o-iodoxybenzoic acid (IBX).
Kotha, Sambasivarao; Banerjee, Shaibal; Mandal, Kalyaneswar.
Synlett, 2004, , 2043-2045
Polymorphism of 1,3,5-trinitrobenzene induced by a trisindane additive.
Thallapally, Praveen K.; Jetti, Ram K. R.; Katz, Amy K.; Carrell, H. L.; Singh, Kuldeep; Lahiri, Kakali; Kotha, Sambasivarao; Boese, Roland; Desiraju, Gautam R.
Angew. Chem., Int. Ed., 2004, 43, 1149-1155
Synthesis and magnetic properties of polymer nanocomposites with embedded iron nanoparticles.
Wilson, J. L.; Poddar, P.; Frey, N. A.; Srikanth, H.; Mohomed, K.; Harmon, J. P.; Kotha, S.; Wachsmuth, J.
J. Appl. Phys., 2004, 95, 1439-1443
Synthesis and modification of dibenzylglycine derivatives via the Suzuki-Miyaura cross-coupling reaction.
Kotha, S.; Behera, M.
J. Pept. Res., 2004, 64, 72-85
Synthesis and reactions of silicon-containing cyclic _-amino acid derivatives.
Kotha, Sambasivarao; Brahmachary, Enugurthi.
J. Organomet. Chem., 2004, 689, 158-163
Synthesis of C3-symmetric nano-sized polyaromatic compounds by trimerization and Suzuki-Miyaura cross-coupling reactions.
Kotha, Sambasivarao; Kashinath, Dhurke; Lahiri, Kakali; Sunoj, Raghavan B.
Eur. J. Org. Chem., 2004, , 4003-4013
Synthesis of symmetrical and unsymmetrical 9,10-diarylanthracene derivatives via bis-Suzuki-Miyaura cross-coupling reaction.
Kotha, Sambasivarao; Ghosh, Arun Kumar; Deodhar, Kodand Dinkar.
Synthesis, 2004, , 549-557
The Diels-Alder approach for the synthesis of tetralin-based _-amino acid derivatives and their modification by the Suzuki-Miyaura cross-coupling reaction.
Kotha, Sambasivarao; Ghosh, Arun Kumar.
Synthesis, 2004, , 558-567
Application of the Suzuki-Miyaura cross-coupling reaction for the modification of phenylalanine peptides.
Kotha, Sambasivarao; Lahiri, Kakali.
Biopolymers, 2003, 69, 517-528
Ethyl 2-formamido-2-(4-iodobenzyl)-3-(4-iodophenyl)propionate and ethyl 2-(3-bromobenzyl)-3-(3-bromophenyl)-2-formamidopropionate.
Damodharan, Lakshminarasimhan; Pattabhi, Vasantha; Behera, Manoranjan; Kotha, Sambasivarao.
Acta Crystallogr., Sect. C: Cryst. Struct. Commun., 2003, , o216-o218
Impact of varying concentrations of nanometer-sized particles in a bidisperse magnetorheological fluid.
Trihan, Julian; Yoo, Jin-Hyeong; Wereley, Norman M.; Kotha, S.; Suggs, A.; Radhakrishnan, Radhakumar; Sudarshan, T.; Love, B. J.
Proc. SPIE-Int. Soc. Opt. Eng., 2003, 5052, 175-185
Precursors to dodecahedrane.
Damodharan, Lakshminarasimhan; Pattabhi, Vasantha; Sivakumar, Rallapalli; Kotha, Sambasivarao.
Acta Crystallogr., Sect. C: Cryst. Struct. Commun., 2003, , o373-o375
Synthesis of optically active benzocyclobutene and biphenylene based unusual _-amino acid derivatives.
Kotha, Sambasivarao; Halder, Somnath.
Indian J. Chem., Sect. B: Org. Chem. Incl. Med. Chem., 2003, , 863-872
Synthesis of spiro-cyclics via ring-closing metathesis.
Kotha, Sambasivarao; Manivannan, Ethirajan.
ARKIVOC (Gainesville, FL, U. S.), 2003, , 67-76
The Building Block Approach to Unusual _-Amino Acid Derivatives and Peptides.
Kotha, Sambasivarao.
Acc. Chem. Res., 2003, 36, 342-351
anti-2,19-Diethoxycarbonyl-2,19-diformylamino[3.2.3.2]paracyclophane.
Damodharan, Lakshminarasimhan; Syed Ibrahim, B.; Pattabhi, Vasantha; Halder, Somnath; Kotha, Sambasivarao.
Acta Crystallogr., Sect. E: Struct. Rep. Online, 2002, 58, o1038-o1039
Enantioselective synthesis of (+)-4-Demethoxy-1,4-Dimethyldaunomycinone.
Kotha, Sambasivarao; Stoodley, Richard J.
Bioorg. Med. Chem., 2002, 10, 621-624
Ethyl 6-acetylamino-6,7-dihydro-5H-dibenzo[a,c]cycloheptene-6-carboxylate.
Damodharan, Lakshminarasimhan; Shamaladevi, Nagarajarao; Pattabhi, Vasantha; Behera, Manoranjan; Kotha, Sambasivarao.
Acta Crystallogr., Sect. C: Cryst. Struct. Commun., 2002, , o266-o267
First and unexpected synthesis of macrocyclic cyclophane-based unusual _-amino acid derivatives by phosphazene base without high dilution conditions.
Kotha, Sambasivarao; Halder, Somnath; Damodharan, Lakshminarasimhan; Pattabhi, Vasantha.
Bioorg. Med. Chem. Lett., 2002, 12, 1113-1115
Modification of indane-based unusual _-amino acid derivatives via the Suzuki-Miyaura coupling reaction.
Kotha, Sambasivarao; Halder, Somnath; Lahiri, Kakali.
Synthesis, 2002, , 339-342
Recent applications of the Suzuki-Miyaura cross-coupling reaction in organic synthesis.
Kotha, Sambasivarao; Lahiri, Kakali; Kashinath, Dhurke.
Tetrahedron, 2002, 58, 9633-9695
Synthesis of 9,10-diarylanthracene derivatives via bis Suzuki-Miyaura cross-coupling reaction.
Kotha, Sambasivarao; Ghosh, Arun Kumar.
Synlett, 2002, , 451-452
Synthesis of bis(benzocyclobutyl)glycine derivatives.
Kotha, Sambasivarao; Halder, Somnath; Sreenivasachary, Nampally.
ARKIVOC (Gainesville, FL, U. S.), 2002, , 21-27
Synthesis of constrained phenylalanine derivatives via a [2+2+2] cycloaddition strategy.
Kotha, Sambasivarao; Brahmachary, Enugurthi.
Bioorg. Med. Chem., 2002, 10, 2291-2295
Synthesis of functionalized cis-syn-cis triquinanes.
Kotha, Sambasivarao; Manivannan, Ethirajan.
Indian J. Chem., Sect. B: Org. Chem. Incl. Med. Chem., 2002, , 808-811
Synthesis of highly constrained unusual _-amino acid derivative by the Diels-Alder approach.
Kotha, Sambasivarao; Ghosh, Arun Kumar; Behera, Manoranjan.
Indian J. Chem., Sect. B: Org. Chem. Incl. Med. Chem., 2002, , 2330-2332
Synthesis of highly functionalized phenylalanine derivatives via cross-enyne metathesis reactions.
Kotha, Sambasivarao; Halder, Somnath; Brahmachary, Enugurthi.
Tetrahedron, 2002, 58, 9203-9208
Synthesis of two new hexaquinanes: advanced C20 precursors to dodecahedrane.
Kotha, Sambasivarao; Sivakumar, Rallapalli; Damodharan, Lakshminarasimhan; Pattabhi, Vasantha.
Tetrahedron Lett., 2002, 43, 4523-4525
A new approach for modification of phenylalanine peptides by Suzuki-Miyaura coupling reaction.
Kotha, Sambasivarao; Lahiri, Kakali.
Bioorg. Med. Chem. Lett., 2001, 11, 2887-2890
Allylation of cis-bicyclo(3.3.0)octane-3,7-dione derivatives via fragmentation methodology.
Kotha, Sambasivarao; Sivakumar, Rallapalli; Manivannan, Ethirajan.
Indian J. Chem., Sect. B: Org. Chem. Incl. Med. Chem., 2001, , 1245-1247
Catalytic metathesis reaction in organic synthesis.
Kotha, Sambasivarao; Sreenivasachary, Nampally.
Indian J. Chem., Sect. B: Org. Chem. Incl. Med. Chem., 2001, , 763-780
First synthesis of indane-based _-amino acid derivatives with a crown ether side chain.
Kotha, Sambasivarao; Brahmachary, Enugurthi.
Indian J. Chem., Sect. B: Org. Chem. Incl. Med. Chem., 2001, , 43191
Matching of molecular and supramolecular symmetry. An exercise in crystal engineering.
Thallapally, Praveen K.; Chakraborty, Kakali; Katz, Amy K.; Carrell, H. L.; Kotha, Sambasivarao; Desiraju, Gautam R.
CrystEngComm, 2001, , No pp. given, Paper No. 31
Modification of constrained peptides by ring-closing metathesis reaction.
Kotha, S.; Sreenivasachary, N.; Mohanraja, K.; Durani, S.
Bioorg. Med. Chem. Lett., 2001, 11, 1421-1423
Recent chemistry of benzocyclobutenes.
Mehta, G.; Kotha, S.
Tetrahedron, 2001, 57, 625-659
Synthesis and carbonylation of aryl acetylenes.
Kotha, Sambasivarao; Tafesh, Ahmed; Davenport, Kenneth; Ortiz, Philip.
Indian J. Chem., Sect. B: Org. Chem. Incl. Med. Chem., 2001, , 1166-1169
Synthesis of benzocycloheptene-based amino acid derivatives via a [4+2] cycloaddition reaction as a key step.
Kotha, S.; Sreenivasachary, N.; Brahmachary, E.
Tetrahedron, 2001, 57, 6261-6265
Synthesis of highly functionalised dibenzylglycine derivatives via the Suzuki-Miyaura coupling reaction.
Kotha, Sambasivarao; Behera, Manoranjan; Kumar, Ramanatham Vinod.
Bioorg. Med. Chem. Lett., 2001, 12, 105-108
Synthesis of spiro-indanes by cycloaddition strategy.
Kotha, Sambasivarao; Manivannan, Ethirajan.
J. Chem. Soc., Perkin Trans. 1, 2001, , 2543-2547
Synthesis of useful benzocyclobutene building blocks via the Suzuki-Miyaura coupling reaction.
Kotha, Sambasivarao; Lahiri, Kakali; Sreenivasachary, Nampally.
Synthesis, 2001, , 1932-1934
Synthetic approaches to tetrahydroisoquinoline-3-carboxylic acid derivatives.
Kotha, Sambasivarao; Sreenivasachary, Nampally.
J. Indian Inst. Sci., 2001, 81, 277-286
A new synthetic approach to 1,2,3,4-tetrahydroisoquinoline-3-carboxylic acid (Tic) derivatives via a [2+2+2] cycloaddition reaction.
Kotha, Sambasivarao; Sreenivasachary, Nampally.
Bioorg. Med. Chem. Lett., 2000, 10, 1413-1415
A new synthetic approach to 1,2,3,4-tetrahydroisoquinoline-3-carboxylic acid (Tic) derivatives via enyne metathesis and the Diels-Alder reaction.
Kotha, Sambasivarao; Sreenivasachary, Nampally.
Chem. Commun. (Cambridge), 2000, , 503-504
Constrained phenylalanyl peptides via a [2+2+2]-cycloaddition strategy.
Kotha, Sambasivarao; Mohanraja, Kumar; Durani, Susheel.
Chem. Commun. (Cambridge), 2000, , 1909-1910
Diels-Alder approach to tetralin-based constrained _-amino acid derivatives.
Kotha, S.; Ganesh, T.; Ghosh, A. K.
Bioorg. Med. Chem. Lett., 2000, 10, 1755-1757
Protection and deprotection sequence in tetracyclo[6.3.0.04,11.05,9]undeca-2,7-dione system using tetrachlorosilane.
Kotha, Sambasivarao; Chakraborty, Kakali.
Indian J. Chem., Sect. B: Org. Chem. Incl. Med. Chem., 2000, , 382-383
Shape and Size Effects in the Crystal Structures of Complexes of 1,3,5-Trinitrobenzene with some Trigonal Donors: The Benzene-Thiophene Exchange Rule.
Thallapally, P. K.; Chakraborty, K.; Carrell, H. L.; Kotha, S.; Desiraju, G. R.
Tetrahedron, 2000, 56, 6721-6728
Synthesis of Indan-Based Unusual _-Amino Acid Derivatives under Phase-Transfer Catalysis Conditions.
Kotha, Sambasivarao; Brahmachary, Enugurthi.
J. Org. Chem., 2000, 65, 1359-1365
Synthesis of unusual _-amino acid derivatives via cross-enyne metathesis reaction.
Kotha, Sambasivarao; Halder, Somnath; Brahmachary, Enugurthi; Ganesh, Thota.
Synlett, 2000, , 853-855
A general and simple method for the synthesis of star-shaped thiophene derivatives.
Kotha, Sambasivarao; Chakraborty, Kakali; Brahmachary, Enugurthi.
Synlett, 1999, , 1621-1623
Allylation of caged diketones via fragmentation methodology.
Kotha, Sambasivarao; Manivannan, Ethirajan; Sreenivasachary, Nampally.
J. Chem. Soc., Perkin Trans. 1, 1999, , 2845-2848
First synthesis of optically active benzocyclobutane and biphenylene-based unusual _-amino acid derivatives.
Kotha, Sambasivarao; Sreenivasachary, Nampally; Ilalder, Somnath.
Bioorg. Med. Chem. Lett., 1999, 9, 2565-2568
Spiro-annulation via ring closing metathesis reaction.
Kotha, Sambasivarao; Manivannan, Ethirajan; Ganesh, Thota; Sreenivasachary, Nampally; Deb, Ashoke.
Synlett, 1999, , 1618-1620
Large-scale synthesis of dimethyl 1,3-acetonedicarboxylate.
Kotha, Sambasivarao; Joseph, Arul; Sivakumar, Rallapalli; Manivannan, Ethirajan.
Indian J. Chem., Sect. B: Org. Chem. Incl. Med. Chem., 1998, , 397-398
Synthesis of constrained _-amino acid derivatives via Diels-Alder approach.
Kotha, Sambasivarao; Brahmachary, Enugurthi; Sreenivasachary, Nampally.
Tetrahedron Lett., 1998, 39, 4095-4098
Synthesis of constrained _-amino acid derivatives via enyne metathesis reaction.
Kotha, Sambasivarao; Sreenivasachary, Nampally; Brahmachary, Enugurthi.
Tetrahedron Lett., 1998, 39, 2805-2808
Synthesis of constrained _-amino acid derivatives via ring-closing olefin metathesis.
Kotha, Sambasivarao; Sreenivasachary, Nampally.
Bioorg. Med. Chem. Lett., 1998, 8, 257-260
A simple route to cyclopentane annulation.
Kotha, Sambasivarao; Brahmachary, Enugurthi; Sivakumar, Rallapalli; Joseph, Arul; Sreenivasachary, Nampally.
Tetrahedron Lett., 1997, 38, 4497-4500
Synthesis of a novel constrained _-amino acid with quinoxaline side chain: 7-amino-6,7-dihydro-8H-cyclopenta[g]quinoxaline-7-carboxylic acid.
Kotha, Sambasivarao; Brahmachary, Enugurthi; Kuki, Atsuo; Lang, Kamil; Anglos, Demetrios; Singaram, Bakthan; Chrisman, William.
Tetrahedron Lett., 1997, 38, 9031-9034
Synthesis of conformationally constrained _-amino acid derivatives using ethyl isocyanoacetate as glycine equivalent.
Kotha, Sambasivarao; Brahmachary, Enugurthi.
Bioorg. Med. Chem. Lett., 1997, 7, 2719-2722
Synthesis of unusual _-amino acids via a 2+2+2 cycloaddition strategy.
Kotha, Sambasivarao; Brahmachary, Enugurthi.
Tetrahedron Lett., 1997, 38, 3561-3564
Opportunities in asymmetric synthesis: an industrial prospect.
Kotha, Sambasivarao.
Tetrahedron, 1994, 50, 3639-62
Synthesis and reactions of 3,4-dihydro-2H-1,4-benzoxazine derivatives.
Kotha, Sambasivarao; Bindra, Vandana; Kuki, Atsuo.
Heterocycles, 1994, 38, 43317
Synthesis of a new rigid quinone-amino acid and Diels-Alder extension to higher quinones.
Kotha, Sambasivarao; Kuki, Atsuo.
Chem. Lett., 1994, 2, 299-302
A new synthetic approach to unusually electron rich _-amino acids.
Kotha, Sambasivarao; Kuki, Atsuo.
J. Chem. Soc., Chem. Commun., 1992, , 404-6
A simple method for the synthesis of cyclic _-amino acids.
Kotha, Sambasivarao; Kuki, Atsuo.
Tetrahedron Lett., 1992, 33, 1565-8
Friedel-Crafts approach to electron deficient cyclic _-amino acids.
Kotha, Sambasivarao; Anglos, Demetrios; Kuki, Atsuo.
Tetrahedron Lett., 1992, 33, 1569-72