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Professor,
Email: tushar@iisc.ac.in
Phone: +91 80 2293 2215 (office), 2293 2405 (Lab)

Education: Ph.D. in 1984 from IIT, Kanpur (Prof. S. Chandrasekaran);
Postdoctoral Fellow during 1984-87 at University of Pennsylvania, Philadelphia, USA (Prof. K. C. Nicolaou).
Professional Career Scientist – Chief Scientist, CSIR-IICT Hyderabad 1987-2008
Director, CSIR-CDRI, Lucknow 2008-2013
Professor , IISc, Bangalore 2014-
186 C. Pal, A. Velusamy, Y. K. Sunkari and T. K. Chakraborty*

Studies on sugar puckering and glycosidic stabilities of 3′-amino-5′-carboxymethyl-3′,5′-dideoxy nucleoside mimics

Org. Biomol. Chem. 2018, 16, 6735-6740

185 D. Das, H. P. A. Khan and T. K. Chakraborty*

Ti(III)-mediated Radical-induced Approach to a Bicyclic δ-lactone with a Bridgehead β-Hydroxyl Group

Synthesis 2018, 50, 3006-3014

184 Y. K. Sunkari, K. K. Pulukuri, P. S. Kandiyal, J. Vaishnav, R. S. Ampapathi* and T. K. Chakraborty*

Conformational analysis of GalNAc-appended sugar amino acid foldamers as glycopeptide mimics

ChemBioChem 2018, 19, 1507-1513

183 H. P. A. Khan, D. Das and T. K. Chakraborty*

Application of Cp2TiCl-Promoted Radical Cyclization: A Unified Strategy for the Syntheses of Iridoid Monoterpenes

J. Org. Chem. 2018, 83, 6086-6092

182 H. P. A. Khan and T. K. Chakraborty*

Diversity-oriented approach to N-heterocyclic compounds from α-phenyl-β-enamino ester via a Mitsunobu-Michael reaction sequence

J. Org. Chem. 2018, 83, 2027-2039

181 C. Pal and T. K. Chakraborty*

Synthesis of Amide Linked Cyclic Dinucleotide Analogues with Pyrimidine Bases

Asian J. Org. Chem. 2017, 6, 1421-1427

180 S. Pal, U. Ghosh, G. Singh, F. Alam, S. Singh, S. Chopra, S. Sinha, R. S. Ampapathi* and T. K. Chakraborty*

Synthesis, conformational studies and biological profiles of tetrahydrofuran amino acid containing cationic antitubercular peptides

Asian J. Org. Chem. 2017, 6, 1240-1249

179 D. Das, H. P. A. Khan, R. Shivahare, S. Gupta, J. Sarkar, M. I. Siddiqui, R. S. Ampapathi* and T. K. Chakraborty*

Synthesis, SAR and biological studies of sugar amino acid-based almiramide analogues: N-methylation leads the way

Org. Biomol. Chem. 2017, 15, 3337–3352

178 D. Das and T. K. Chakraborty*

Radical Approach to the Chiral Quaternary Center in Asperaculin A: Synthesis of 9‑Deoxyasperaculin A

Org. Lett. 2017, 19, 682-685

177 S. Pal, U. Ghosh, R. S. Ampapathi and T. K. Chakraborty*

Recent Studies on Gramicidin S Analog Structure and Antimicrobial Activity

Top. Heterocycl. Chem. 2017, 49, 159-202

176 Y. K. Sunkari, F. Alam, P. S. Kandiyal, S. Aloysius, R. S. Ampapathi* and T. K. Chakraborty*

Influence of linker length on conformational preferences of glycosylated sugar amino acid foldamers

ChemBioChem 2016, 17, 1839-1844

175 N. Singh, P. S. Kandiyal, P. K. Shukla, R. S. Ampapathi* and T. K. Chakraborty*

Conformational studies of glycosylated cyclic oligomers of furanoid sugar amino acids

Tetrahedron 2016, 72, 5671-5678

174 D. Das and T. K. Chakraborty*

An overview of the recent synthetic studies toward penifulvins and other fenestranes

Tetrahedron Lett. 2016, 57, 3665-3677

173 S. Nahar, D. Bose, S. Pal, T. K. Chakraborty* and S. Maiti*

Cyclic Cationic Peptides Containing Sugar Amino Acids Selectively Distinguishes and Inhibits Maturation of Pre-miRNAs of the Same Family

Nucleic Acid Therapeutics 2015, 25, 323-329

172 S. Pal, G. Singh, S. Singh, J. K. Tripathi, J. K. Ghosh, S. Sinha,* R. S. Ampapathi* and T. K. Chakraborty*

Tetrahydrofuran amino acid-containing gramicidin S analogues with improved biological profiles

Org. Biomol. Chem. 2015, 13, 6789-6802

171 N. Singh, K. K. Pulukuri and T. K. Chakraborty*

Formal synthesis of degraded sterol (+)-aplykurodinone-1

Tetrahedron 2015, 71, 4608-4615

170 G. Singha, U. Ghosh, S. Pal, R. S. Ampapathi* and T. K. Chakraborty*

βγ-fused turn structures in sugar amino acid (SAA) containing cyclic tetrapeptides with α3δ architecture

Tetrahedron 2014, 70, 7681-7685

169 Y. K. Sunkari, C. Pal, T. J. Reddy and T. K. Chakraborty*

3′-Amino-5′-carboxymethyl-3′,5′-dideoxy nucleosides for the synthesis of fully amide-linked RNA mimics

Tetrahedron 2014, 70, 5455-5462

168 T. Balganesh, T. K. Kundu, T. K. Chakraborty and S. Roy*

Drug Discovery Research in India: Current State and Future Prospects

ACS Med. Chem. Lett. 2014, 5, 724-726

167 T. Agarwal, S. Roy, S. Kumar, T. K. Chakraborty* and S. Maiti*

In the Sense of Transcription regulation by G-quadruplexes: Asymmetric effects in sense and anti-sense strand

Biochemistry 2014, 53, 3711-3718

166 S. Pal and T. K. Chakraborty*

Towards the total synthesis of a lagunamide B analogue

Tetrahedron Lett. 2014, 55, 3469-3472

165 D. Das, R. Kant and T. K. Chakraborty*

An Approach to a Bislactone Skeleton: A Scalable Total Synthesis of (±)-Penifulvin A

Org. Lett. 2014, 16, 2618-2621

164 K. K. Pulukuri and T. K. Chakraborty*

Formal Synthesis of Actin Binding Macrolide Rhizopodin

Org. Lett. 2014, 16, 2284-2287

163 T. Agarwal, M. Lalwani, S. Kumar, S. Roy, T. K. Chakraborty,* S. Sivasubbu* and S. Maiti*

Morphological effects of G-quadruplex stabilization using small molecule in Zebrafish

Biochemistry 2014, 53, 1117-1124

162 S. Basu, P. S. Kandiyal, V. S. K. Neelamraju, H. Singh,* R. S. Ampapathi* and T. K. Chakraborty*

Peptidomimetics with tunable tertiary amide bond containing substituted β-proline and β-homoproline

Tetrahedron 2014, 70, 1169-1175

161 A. Siriwardena,* K. K. Pulukuri, P. S. Kandiyal, S. Roy, O. Bande, S. Ghosh, J. M. G. Fernàndez, F. A. Martin, J.-M. Ghigo, C. Beloin, K. Ito, R. J. Woods, R. S. Ampapathi* and T. K. Chakraborty*

Sugar-modified Foldamers as Conformationally Defined and Biologically Distinct Glycopeptide Mimics

Angew. Chem. Int. Ed. 2013, 52, 10221-10226

160 S. Basu, P. S. Kandiyal, R. S. Ampapathi and T. K. Chakraborty*

Ti(III)-mediated radical cyclization of epoxy-β-aminoacrylate in the synthesis of substituted pyrrolidine core of necine bases: synthesis of 2-epi-rosmarinecine

RSC Adv. 2013, 3, 13630-13634

159 P. K. Gajula, J. Asthana, D. Panda* and T. K. Chakraborty*

A synthetic dolastatin 10 analogue suppresses microtubule dynamics, inhibits cell proliferation and induces apoptotic cell death

J. Med. Chem. 2013, 56, 2235-2245

158 P. K. Gajula, S. Sharma, R. S. Ampapathi and T. K. Chakraborty*

Total synthesis of (29S,37S)-isomer of malevamide E, a potent ion-channel inhibitor

Org. Biomol. Chem. 2013, 11, 257-260

157 N. V. S. Kumar, H. Singh*, K. K. Pulukuri and T. K. Chakraborty

Preferential heterochiral cyclic trimerization of 5-(aminoethyl)-2-furancarboxylic acid (AEFC) driven by non-covalent interactions

J. Mol. Graph. Model. 2012, 38, 13-25

156 K. K. Pulukuri and T. K. Chakraborty*

Stereoselective Synthesis of the Monomeric Unit of Actin Binding Macrolide Rhizopodin

Org. Lett. 2012, 14, 2858-2861

155 N. V. S. Kumar, U. D. Priyakumar, H. Singh,* S. Roy and T. K. Chakraborty*

Inter versus intramolecular cyclization of tripeptides containing tetrahydrofuran amino acids: Density functional theory study on the kinetic control

J. Mol. Model. 2012, 18, 3181-3197

154 P. Khare, A. K. Gupta, P. K. Gajula, K. Y. Sunkari, A. K Jaiswal, S. Das, P. Bajpai, T. K. Chakraborty,* A. Dube* & A. K. Saxena*

Structure Based Discovery of potent S-Adenosyl-L-Homocysteine Hydrolase inhibitors as Potential Antileishmanial agents

J. Chem. Inf. Model. 2012, 52, 777–791

153 T. K. Chakraborty,* N. V. S. Kumar, S. Roy, S. K. Dutta, A. C. Kunwar, B. Sridhar and H. Singh*

Stereochemical Control in the Structures of Linear δ,α-Hybrid Tripeptides Containing Tetrahydrofuran Amino Acids

J. Phys. Org. Chem. 2011, 24, 720-731

152 S. P. Udawant and T. K. Chakraborty*

Total Synthesis of (+)-Mupirocin H from D-Glucose

J. Org. Chem. 2011, 76, 6331-6337

151 S. Pal, K. Mitra, S. Azmi, J. K. Ghosh and T. K. Chakraborty*

Towards the Synthesis of Sugar Amino Acid Containing Antimicrobial Noncytotoxic CAP Conjugates with Gold Nanoparticles and Their Mechanistic Study Towards Cell Disruption

Org. Biomol. Chem. 2011, 9, 4806-4810

150 M. Sreekanth, G. Pranitha, B. Jagadeesh and T. K. Chakraborty*

Ti(III)-mediated opening of 2,3-epoxy alcohols to build five-membered carbocycles with multiple chiral centres

Tetrahedron Lett. 2011, 52, 1709-1712

149 T. K. Chakraborty,* M. Sreekanth and K. K. Pulukuri

Synthetic studies towards potent cytostatic macrolide rhizopodin: stereoselective synthesis of the C16-C28 fragment

Tetrahedron Lett. 2011, 52, 59-61

148 T. K. Chakraborty,* K. K. Pulukuri and M. Sreekanth

Studies directed towards the synthesis of rhizopodin: stereoselective synthesis of the C1-C15 fragment

Tetrahedron Lett. 2010, 51, 6444-6446

147 T. Agarwal, S. Roy, T. K. Chakraborty* and S. Maiti*

Selective Targeting of G-quadruplex using Furan Based Cyclic Homooligopeptides: Effect on c-MYC Expression

Biochemistry 2010, 49, 8388-8397

146 T. Agarwal, S. Roy, T. K. Chakraborty* and S. Maiti*

Furan based cyclic homo-oligopeptides bind G-quadruplex selectively and repress c-MYC transcription

Bioorg. Med. Chem. Lett. 2010, 20, 4346-4349

145 T. K. Chakraborty,* A. K. Chattopadhyay, R. Samanta and R. S. Ampapathi

Stereoselective construction of quaternary chiral centers using Ti(III)-mediated opening of 2,3-epoxy alcohols: studies directed toward the synthesis of penifulvins

Tetrahedron Lett. 2010, 51, 4425-4428

144 N. V. Suresh Kumar, P. Sharma, H. Singh,* D. Koley, S. Roy and T. K. Chakraborty*

Preferential mode of cyclization of tetrahydrofuran amino acids containing peptides: some theoretical insights

J. Phys. Org. Chem. 2010, 23, 238-245

143 R. Varghese, P. K. Gajula, T. K. Chakraborty and H. A. Wagenknecht*

Synthesis and Optical Properties of Nile Red Modified 2 ‘-Deoxyuridine and 7-Deaza-2 ‘-deoxyadenosine: Highly Emissive Solvatochromic Nucleosides

Synlett 2009, 3252-3257

142 T. K. Chakraborty,* R. Samanta and P. Kiran Kumar

A radical mediated approach to the stereoselective formal total synthesis of (+)-Sch 642305

Tetrahedron 2009, 65, 6925-6931

141 P. R. Reddy,* P. Manjula, T. K. Chakraborty and R. Samanta

A 1 : 2 Copper(II)-Tripeptide Complex for DNA Binding and Cleavage Agent under Physiological Conditions

Chem. Biodiv. 2009, 6, 764-773

140 T. K. Chakraborty,* K. Srinivasa Rao, M. Uday Kiran and B. Jagadeesh*

Stabilization of β-hairpin structures via Inter-strand π-π and hydrogen bond interactions in α-, β-, γ-hybrid peptides

Tetrahedron Lett. 2009, 50, 4350-4353

139 T. K. Chakraborty,* R. Samanta, S. Roy and D. Sridhar

Ti(III)-Mediated Radical Cyclization of β-Aminoacrylate Containing Epoxy Alcohol Moieties: Synthesis of Highly Substituted Azacycles

Tetrahedron Lett. 2009, 50, 3306-3310

138 B. Taneja, J. Yadav, T. K. Chakraborty and S. K. Brahmachari*

An Indian effort towards affordable drugs: “Generic to designer drugs”

Biotechnology J. 2009, 4, 348-360

137 T. K. Chakraborty,* D. Koley, R. Rapolu, V. Krishnakumari, R. Nagaraj and A. C. Kunwar*

Synthesis, Conformational Analysis and Biological Studies of Cyclic Cationic Antimicrobial Peptides Containing Sugar Amino Acids

J. Org. Chem. 2008, 73, 8731-8744

136 T. K. Chakraborty,* Praveen K. Gajula and D. Koley

Studies directed toward the development of amide-linked RNA mimics: synthesis of the monomeric building blocks

J. Org. Chem. 2008, 73, 6916-6919

135 T. K. Chakraborty* and S. Purkait

Total synthesis of hyptolide

Tetrahedron Lett. 2008, 49, 5502-5504

134 T. K. Chakraborty,* V. Ramkrishna Reddy and Praveen K Gajula

Total Synthesis of Clavosolide A

Tetrahedron 2008, 64, 5162-5167

133 T. K. Chakraborty* and A. Chattopadhyay

Total Synthesis of Cruentaren B

J. Org. Chem. 2008, 73, 3578-3581

132 T. K. Chakraborty,* K. Srinivasa Rao, M. Udaya Kiran and B. Jagadeesh*

Nucleation of the β-hairpin structure in a linear hybrid peptide containing α-, β- and γ-amino acids

Tetrahedron Lett. 2008, 49, 2228-2231

131 T. K. Chakraborty,* A. Arora, S. Roy, N. Kumar and S. Maiti*

Furan Based Cyclic Oligopeptides Selectively Target G-Quadruplex

J. Med. Chem. 2007, 50, 5539-5542

130 T. K. Chakraborty,* D. Koley, R. Ravi and A. C. Kunwar*

Synthesis and structural studies of peptides containing a mannose-derived furanoid sugar amino acid

Org. Biomol. Chem. 2007, 5, 3713-3716

129 T. K. Chakraborty,* S. U. Kumar, B. K. Mohan, G. D. Sarma, M. U. Kiran and B. Jagadeesh*

Synthesis and conformational studies of 3,4-di-O-acylated furanoid sugar amino acid-containing analogs of the receptor binding inhibitor of vasoactive intestinal peptide

Tetrahedron Lett. 2007, 48, 6945-6950

128 T. K. Chakraborty* and R. K. Goswami

Studies directed towards the total synthesis of botcinic acid, the revised structure of botcinolide: synthesis of the highly substituted tetrahydropyran moiety

Tetrahedron Lett. 2007, 48, 6463-6465

127 T. K. Chakraborty,* R. Samanta and K. Ravikumar

Studies on radical cyclization of 2,3-epoxy alcohols containing a β-(alkoxy)acrylate moiety using Cp2TiCl

Tetrahedron Lett. 2007, 48, 6389-6392

126 T. K. Chakraborty,* R. K. Goswami and M. Sreekanth

Studies directed towards the synthesis of lycoperdinosides: stereoselective construction of the C1-C9 and C10-C21 segments of the molecules

Tetrahedron Lett. 2007, 48, 4075-4078

125 T. K. Chakraborty,* A. Chattopadhyay and S. Ghosh

Total synthesis of (+)-blastmycinone and formal synthesis of (+)-antimycin A3b

Tetrahedron Lett. 2007, 48, 1139-1142

124 T. K. Chakraborty,* V. Ramkrishna Reddy and A. Chattopadhyay

Total synthesis of (-)-clavosolide A

Tetrahedron Lett. 2006, 47, 7435-7438

123 T. K. Chakraborty,* S. Roy, D. Koley, S. K. Dutta and A. C. Kunwar*

Conformational Analysis of some C2-symmetric Cyclic Peptides Containing Tetrahydrofuran Amino Acids

J. Org. Chem. 2006, 71, 6240-6243

122 T. K. Chakraborty* and G. Sudhakar

Total synthesis of (+)-conagenin

Tetrahedron Lett. 2006, 47, 5847-5849

121 T. K. Chakraborty,* B. K. Mohan and M. Sreekanth

Studies directed towards the synthesis of antascomicin A: Stereoselective synthesis of the C22-C34 fragment of the molecule

Tetrahedron Lett. 2006, 47, 5003-5005

120 T. K. Chakraborty* and B. K. Mohan

Studies directed towards the synthesis of antascomicin A: Stereoselective synthesis of the C1-C21 fragment of the molecule

Tetrahedron Lett. 2006, 47, 4999-5002

119 T. K. Chakraborty* and R. K. Goswami

Studies directed towards the synthesis of botcinolides: synthesis of the nonalactone ring of 2-epibotcinolide

Tetrahedron Lett. 2006, 47, 4917-4919

118 T. K. Chakraborty,* S. P. Udawant, S. Roy, B. K. Mohan, K. S. Rao, S. K. Dutta and A. C. Kunwar*

Synthesis and characterization of Boc-protected 4-amino- and 5-amino-pyrrole-2-carboxylic acid methyl esters

Tetrahedron Lett. 2006, 47, 4631-4634

117 P. R. Reddy,* S. K. Mohan, P. Manjula & T. K. Chakraborty

A new S4-ligated Zinc-peptide 1:2 complex for the hydrolytic cleavage of DNA

Chem. Biodiv. 2006, 3, 456-462

116 T. K. Chakraborty,* R. Samanta and S. Das

Radical-mediated opening of 2,3-epoxy alcohols using Cp2TiCl: Stereoselective construction of quaternary chiral centres

J. Org. Chem. 2006, 71, 3321-3324

115 M. Sharma, P. Kumar, H. Singh* and T. K. Chakraborty

Preferential cyclotrimerization of 5-(aminomethyl)-2-furancarboxylic acid (AMFC): Electrostatic and Orbital

Interactions studies

J. Mol. Struct.: THEOCHEM 2006, 764, 111-117

114 T. K. Chakraborty* and V. Ramkrishna Reddy

Studies directed towards the total synthesis of clavosolides: Synthesis of an isomer of clavosolide A

Tetrahedron Lett. 2006, 47, 2099-2102

113 T. K. Chakraborty,* D. Koley, S. Prabhakar, R. Ravi and A.C. Kunwar*

Synthesis and conformational studies of amide-linked cyclic homooligomers of a thymidine-based nucleoside amino acid

Tetrahedron 2005, 61, 9506-9512

112 T. K. Chakraborty,* S. Ghosh, P. Laxman, S. Dutta and R. Samanta

Total synthesis of stevastelin B3

Tetrahedron Lett. 2005, 46, 5445-5448

111 S. Prasad,* A Mathur, M. Jaggi, R. Mukherjee, V. R. Reddy, G. Sudhakar, S. Uday Kumar, A. C. Kunwar and T. K. Chakraborty*

Use of Furanoid Sugar Amino Acids as Dipeptide Mimic in Design of Analogues of VIP Receptor Binding Inhibitor

J. Pep. Res. 2005, 66, 75-84

110 T. K. Chakraborty* & G. Sudhakar

Stereoselective synthesis of the various isomers of 3,4-dideoxy furanoid sugar amino acids with methyl substitution at the C6 position

Tetrahedron Lett. 2005, 46, 4287-4290

109 T. K. Chakraborty,* S. Roy, S. Kiran Kumar and A. C. Kunwar*

Synthesis and structural studies of peptides containing a glucose-derived furanoid sugar amino acid

Tetrahedron Lett. 2005, 46, 3065-3070

108 T. K. Chakraborty,* P. Srinivasu, S. Tapadar and B. Krishna Mohan

Sugar amino acids in designing molecules

Glycoconjugate J 2005, 22, 83-93

107 T. K. Chakraborty,* P. Srinivasu and D. Koley

Carbohydrate-based designer molecules

Proc. Indian Natn. Sci. Acad. 2005, 71A, 175-186

106 T. K. Chakraborty,* S. Ghosh, M. H., V. Ramana Rao and A. C. Kunwar*

Conformational studies of C2 Symmetric peptidomimetics based on 2,5-anhydro sugar diacid and 2,5-anhydro sugar diamine scaffolds

Arkivoc 2005, xi, 89-101

105 T. K. Chakraborty,* S. Tapadar and S. Roy

Synthesis of 3,5-dihydroxy-2,4-dimethylheptanoic acid δ-lactone in enantiomerically pure form

Arkivoc 2005, iii, 170-178

104 T. K. Chakraborty,* B. K. Mohan, M. Gnanamani and S. Maiti*

Synthesis and DNA Binding Properties of Pyrrole Amino Acid-Containing Peptides

Tetrahedron Lett. 2005, 46, 647-651

103 T. K. Chakraborty* and G. Sudhakar

Synthesis of C6-substituted 3,4-dideoxy furanoid sugar amino acids

Tetrahedron: Asym 2005, 16, 7-9

102 H. Singh,* K. Arora, S. Tapadar and T. K. Chakraborty*

Preferential polymerization of 5-(aminomethyl)-2- furancarboxylic acid (AMFC) into a cyclic tripeptide

J. Theor. Comput. Chem. 2004, 3, 555-566

101 T. K. Chakraborty,* S. Tapadar, T. V. Raju, J. Annapurna and H. Singh*

Cyclic trimers of chiral furan amino acids

Synlett 2004, 2484-2488

100 T. K. Chakraborty,* P. Srinivasu, R. Vengal Rao, S. K. Kumar and A. C. Kunwar*

Conformational studies of peptides containing cis-3-hydroxy-D-proline

J. Org. Chem. 2004, 69, 7399-7402

99 T. K. Chakraborty* and R. K. Goswami

Synthesis of (3R,4S,5S,9S)-3,5,9-trihydroxy-4-methylundecanoic acid δ-lactone

Tetrahedron Lett. 2004, 45, 7637-7639

98 T. K. Chakraborty,* V. Ramakrishna Reddy, G. Sudhakar, S. Uday Kumar, T. Jagadeshwar Reddy, S. K. Kumar, , A.C. Kunwar,* A. Mathur, R. Sharma, N. Gupta and S. Prasad*

Conformational Studies of 3,4-Dideoxy Furanoid Sugar Amino Acid Containing Analogs of the Receptor Binding Inhibitor of Vasoactive Intestinal Peptide

Tetrahedron 2004, 60, 8329-8339

97 T. K. Chakraborty,* P. Srinivasu, S. Tapadar and B. K. Mohan

Sugar amino acids and related molecules: Some recent developments

J. Chem. Sci. 2004, 116, 187-207

96 T. K. Chakraborty,* B. K. Mohan, S. Uday Kumar, A. Prabhakar and B. Jagadeesh*

Synthesis of 3,4-di-O-acylated glucose-derived furanoid sugar amino acids (Gaa): conformational analysis of a Leu-enkephalin analog containing di-O-myristoylated Gaa

Tetrahedron Lett. 2004, 45, 5623-5627

95 T. K. Chakraborty,* P. Srinivasu, S. S. Madhavendra, S. Kiran Kumar and A. C. Kunwar

Conformational studies of the linear homooligomers of a glucose-derived furanoid sugar amino acid

Tetrahedron Lett. 2004, 45, 3573-3577

94 T. K. Chakraborty,* S. Purkait and S. Das

Synthesis of chiral 4-hydroxy-2,3-unsaturated carbonyl compounds from 3,4-epoxy alcohols by oxidation: Application in the formal synthesis of macrosphelide A

Tetrahedron 2003, 59, 9127-9135

93 T. K. Chakraborty,* V. R. Reddy and T. J. Reddy

Synthesis of Highly Substituted Tetrahydropyrans: Preparation of the C20-C28 Moiety of Phorboxazoles

Tetrahedron 2003, 59, 8613-8622

92 T. K. Chakraborty,* A. Ghosh, S. K. Kumar and A. C. Kunwar*

Nucleation of b-Hairpin Structures with cis-Amide Bond in E-vinylogous Proline Containing Peptides

J. Org. Chem. 2003, 68, 6459-6462

91 T. K. Chakraborty,* P. Srinivasu, E. Bikshapathy, R. Nagaraj, M. Vaira-mani, S.K. Kumar and A.C. Kunwar*

Cyclic Homooligomers of Furanoid Sugar Amino Acids

J. Org. Chem. 2003, 68, 6257-6263

90 T. K. Chakraborty* and P. Laxman

Total synthesis of (+)-crocacin A

Tetrahedron Lett. 2003, 44, 4989-4992

89 T. K. Chakraborty* and S. Tapadar

Synthesis of (+)-Prelactone B

Tetrahedron Lett. 2003, 44, 2541-2543

88 T. K. Chakraborty,* B. K. Mohan, S. K. Kumar and A. C. Kunwar

Nucleation of β-hairpin Structure in Pyrrole Amino Acid Containing Peptide

Tetrahedron Lett. 2003, 44, 471-473

87 T. K. Chakraborty,* A. Ghosh and T. V. Raju

Efficient ring opening reactions of N-tosyl aziridines with amines and water in presence of catalytic amount of cerium(IV) ammonium nitrate

Chemistry Lett. 2003, 32, 82-83

86 T. K. Chakraborty* and A. Ghosh

Synthesis of chiral a-amino acids

Tetrahedron Lett. 2002, 43, 9691-9693

85 T. K. Chakraborty* and A. Ghosh

A convenient synthesis of chiral b3-amino acids

Synlett  2002, 2039-2040

84 T. K. Chakraborty,* A. Ghosh, A. Ravi Sankar and A. C. Kunwar

Development of 2,3-diazabicyclo[2.2.1]heptane as a constrained azapeptide template and its uses in peptidomimetic studies

Tetrahedron Lett. 2002, 43, 5551-5554

83 T. K. Chakraborty,* P. Srinivasu, S. K. Kumar and A. C. Kunwar*

Studies on novel peptidomimetics having bi-directional dispositions of hydroxylated D-Pro-Gly motifs anchored on a C2 symmetric iminosugar based foundation

J. Org. Chem. 2002, 67, 2093-2100

82 T. K. Chakraborty,* S. Jayaprakash, S. S. Madhavendra, A. Ravi Sankar and A. C. Kunwar*

Furanoid sugar amino acid based peptidomimetics: well- defined solution conformations to gel-like structures

Tetrahedron 2002, 58, 2853-2859

81 T. K. Chakraborty* and P. Laxman

Total synthesis of (+)-crocacin D

Tetrahedron Lett., 2002, 43, 2645-2648

80 T. K. Chakraborty,* B. K. Mohan,              S. K. Kumar and A. C. Kunwar

Development of 5-(aminomethyl)pyrrole-2-carboxylic acid as a constrained surrogate of Gly-DAla and its application in peptidomimetic studies

Tetrahedron Lett. 2002, 43, 2589-2592

79 T. K. Chakraborty,* S. Jayaprakash and S. Ghosh

Sugar Amino Acids and their uses in Designing Bioactive Molecules

Curr. Med. Chem. 2002, 9, 421-435

78 T. K. Chakraborty,* S. Ghosh and S. Jayaprakash

Carbohydrate Derived Scaffolds – novel Peptidomimetics and their potential in Combinatorial Synthesis

Comb. Chem. High Through.  Screen. 2002, 5, 373-387

77 T. K. Chakraborty* and S. Das

Synthesis of chiral 1,3-diols by radical-mediated regio- selective opening of 2,3-epoxy alcohols using cp2TiCl

Tetrahedron Lett. 2002, 43, 2313-2315

76 T. K. Chakraborty* S. Tapadar and S. K. Kumar

Cyclic trimer of 5-(aminomethyl)-2-furancarboxylic acid as synthetic receptor for carboxylate recognition

Tetrahedron Lett. 2002, 43, 1317-1320

75 T. K. Chakraborty* and S. Ghosh

Synthesis of furanoid sugar amino acids (Invited paper for the special issue to honour Prof. S. C. Bhattacharyya)

J. Ind. Inst. Sc. 2001, 81, 117-123

74 T. K. Chakraborty* and A. Ghosh

Stereoselective synthesis of N-phth-2-carboxy-aziridines: precursors to a-hydrazino acid derivatives (Invited paper for special issue to honour  Prof. U. R. Ghatak)

Ind. J. Chem.,  Sec. B 2001, 40B, 895-897

73 T. K. Chakraborty,* S. Jayaprakash and P. Laxman

Total synthesis of (+)-crocacin C

Tetrahedron 2001, 57, 9461-9467

72 T. K. Chakraborty,* A. Ghosh, R. Nagaraj, A. R. Sankar and A.C. Kunwar

Synthesis and conformational studies of peptidomimetics containing a carbocyclic 1,3-diacid

Tetrahedron 2001, 57, 9169-9175

71 T. K. Chakraborty,* S. Ghosh and S. Dutta

Studies directed toward the synthesis of stevastelins – a macrolactonisation approach to stevastelin B

Tetrahedron Lett. 2001, 42, 5085-5088

70 T. K. Chakraborty,* S. Das and T. V. Raju

Stereoselective synthesis of highly substituted tetrahydrofurans

J. Org. Chem. 2001, 66, 4091-4093

69 T. K. Chakraborty* and P. Laxman

Studies directed toward the synthesis of the C15-C21 fragment of (-)-discodermolide (Invited paper for the Platinum Jubilee special issue)

J. Ind. Chem. Soc. 2001, 78, 543-545

68 T. K. Chakraborty

Future directions in organic synthesis (Invited lecture delivered as the Dr. Basudev Banerjee Memorial Awardee, 1999)

J. Ind. Chem. Soc. 2001, 78, 211-223

67 T. K. Chakraborty* and S. Das

Chemistry of Potent Anti-cancer Compounds, Amphidinolides

Curr.Med.Chem. AntiCancer Agents 2001, 1, 131-149

66 T. K. Chakraborty* and S. Das

Studies directed toward the syntheses of amphidinolides: Formal total synthesis of (-)-amphidinolide P

Tetrahedron Lett. 2001, 42, 3387-3390

65 T. K. Chakraborty* and S. Tapadar

Diastereoselective opening of trisubstituted epoxy alcohols: Application In the synthesis of (+)-prelactone C

Tetrahedron Lett. 2001, 42, 1375-1377

64 T. K. Chakraborty* & S. Jayaprakash

Total synthesis of (+)-crocacin C

Tetrahedron Lett. 2001, 42, 497-499

63 T. K. Chakraborty,* S. Ghosh, M. H. V. Ramana Rao, A. C. Kunwar, H. Cho and A. K. Ghosh

2,5-Anhydro sugar diacid and 2,5-anhydro sugar diamine based reverse-turn peptidomimetics as potential HIV-1 protease inhibitors

Tetrahedron Lett. 2000, 41, 10121-10125

62 T. K. Chakraborty,* S. Jayaprakash, P. Srinivasu , M. G. Chary, P. V. Diwan, R. Nagaraj, A. R. Sankar, and A. C. Kunwar

Synthesis and structural studies of oligomers of 6-amino-2,5-anhydro-6-deoxy-D-mannonic acid

Tetrahedron Lett. 2000, 41, 8167-8171

61 T. K. Chakraborty,* S. Ghosh, S. Jayaprakash, J. A. R. P. Sharma, Ravikanth, P. V. Diwan, R. Nagaraj and A. C. Kunwar*

Synthesis and Conformational Studies of Peptidomimetics Furanoid Sugar Amino Acids and a Sugar diacid

J. Org. Chem. 2000, 65, 6441-6457

60 T. K. Chakraborty* and S. Das

Synthetic Studies toward potent Cytotoxic Agents Amphidinolides: Synthesis of the C1-C6 and C9-C17 Moieties of Amphidinolides O & P

Chemistry Lett. 2000, 80-81

59 T. K. Chakraborty and K. V. Raghavan

Outsourcing of Drug R&D – India as a Favorite Destination (Invited paper)

Medchem News 1999, 9(4), 7-13

58 T. K. Chakraborty* and S. Das

Diastereoselective Opening of Tri substituted Epoxy Alcohols: Application in the studies directed toward the synthesis of octenoic acid moiety of cryptophycins

(Invited paper; Commemorative Issue; 75th Birthday of Prof. D. Nasipuri)

J. Ind. Chem. Soc. 1999, 76, 611-616

57 T. K. Chakraborty* and D. T. Swamy

Synthetic Studies toward Potent Cytotoxic Agent Amphidinolide B: Synthesis of the C8-C18 Fragment

SYNLETT 1999, 150-152

56 T. K. Chakraborty,* S. Jayaprakash, P. V. Diwan, R. Nagaraj, S. R. B. Jampani and A.C. Kunwar*

Folded Conformation in peptides containing Furanoid Sugar Amino Acids

J. Am. Chem. Soc. 1998, 120, 12962-12963

55 T. K. Chakraborty* and V. R. Suresh

Synthetic Studies towards Potent Cytotoxic Agents Amphidinolides:  Synthesis of the C1-C18 Moiety of Amphidinolides G, H and L

Tetrahedron Lett. 1998, 39, 9109-9112

54 T. K. Chakraborty,* D. T. Swamy, and S. Jayaprakash

Stereoselective synth. of chiral g-hydroxy-b-methyl methyl Methylcarbinols (Invited paper; Commemorative Issue for Prof. Sukh Dev)

J. Ind. Chem. Soc. 1998, 75, 741-745

53 T. K. Chakraborty* and V. R. Suresh

Synthetic Studies toward Potent Cytotoxic Agents Amphidinolide G & H: Synthesis of the Entire C15-C26 Moiety of the Top Half

Tetrahedron Lett.  1998, 39, 7775-7778

52 T. K. Chakraborty* and S. Dutta

Radical-induced opening of trisubstituted Epoxides: Application in the Synthesis of C1-C12 Segment of Epothilones

Tetrahedron Lett.  1998, 39, 101-104

51 T.K. Chakraborty* and S. Jayaprakash    

Synthesis of 1,7-Diamino-1,2,6,7-tetradeoxy-2,6-imino-D-glycero-D-ido heptitol by Intramolecular Amination of Aziridine Ring

Tetrahedron Lett. 1997, 38, 8899-8902

50 T. K. Chakraborty* and S. Dutta

Synthesis of a New C2-symmetric Molecule with Dimeric Hydroxyethylene Isosteric Moiety

Synth. Commun. 1997, 27, 4163-4172

49 T. K. Chakraborty* and S. Dutta

Anti-Markovnikov Opening of trisubstituted Epoxy Alcohols: Application in the synthesis of 2-Methyl-1,3-Diols

J. Chem. Soc., Perkin Trans. 1 1997, 1257-1259

48 T. K. Chakraborty,* D. T. Swamy, V. R. Suresh and S. Jayaprakash

Synthetic Studies toward Potent Cytotoxic Agent Amphidinolide B: Synthesis of the Entire C14-C26 Moiety of the Top Half

Chemistry Letters 1997, 563-564

47 T. K. Chakraborty* and V. R. Suresh

Synthetic Studies toward Potent Cytotoxic Agent Amphidinolide B: Synthesis of the Entire C1-C13 Moiety of the Bottom Half

Chemistry Letters 1997, 565-566

46 T. K. Chakraborty* and K. A. Hussain

Synthesis of a Peptidomimetic Analog of the Binding Domain of Rapamycin

Chemistry Letters 1997, 9-10

45 T. K. Chakraborty* and K. A. Hussain

Synthesis of Rapamycin-Peptide Hybrid Molecule (RAP-P): High Affinity FKBP12 Ligand

Tetrahedron 1996, 52, 4053-4064

44 T. K. Chakraborty* and K. Gangakhedkar

Stereoselective Synthesis of Hydroxyethylene Dipeptide Isostere from Sugar

Synth. Commun. 1996, 26, 2045-2055

43 T. K. Chakraborty*

Studies Directed towards the Development of Cyclic Peptide-Based Analogs of Macrolide Immunosuppressant

Pure Appl. Chem. 1996, 68, 565-568

42 T. K. Chakraborty,* K. A. Hussain and G. V. Reddy

Phenylglycinol as Chiral Auxiliary in Strecker Synthesis of Amino Acids

Tetrahedron 1995, 51, 9179-9190

41 K. C. Nicolaou,* A. D. Piscopio, P.              Bertinato, T. K. Chakraborty, N. Minowa and K. Koide

Total Synthesis of Rapamycin

Chem. Eur. J. 1995, 1, 318-333

40 T. K. Chakraborty,* H. P. Weber and K. C. Nicolaou*

Design and Synthesis of a Rapamycin- Based High Affinity Binding FKBP12 Ligand

Chem. Biol. 1995, 2, 157-161

39 T. K. Chakraborty,* K. A. Hussain and D. Thippeswamy

A Simple Strategy for the Synthesis of Hydroxyethylene  Dipeptide Isostere from D-Glucose

Tetrahedron 1995, 51, 3873-3880

38 A. V. Rama Rao,* T. K. Chakraborty, K. L. Reddy and A. S. Rao

An Expeditious Approach for the Synthesis of β-Hydroxy Aryl α-Amino Acids Present in Vancomycin

Tetrahedron Lett. 1994, 35, 5043-5046

37 K. C. Nicolaou,* T.K.Chakraborty, A. D. Piscopio, N. Minowa and P. Bertinato

Total Synthesis of Rapamycin

J. Am. Chem. Soc. 1993, 115, 4419-4420

36 A. D. Piscopio, N. Minowa, T. K. Chakraborty, K. Koide, P. Bertinato and K. C. Nicolaou*

A Highly Convergent Strategy towards Rapamycin. Stereoselective Construction of the C8-C18 Fragment

J. Chem. Soc., Chem. Commun. 1993, 617-618

35 K. C. Nicolaou,* P. Bertinato, A. D. Piscopio, T. K. Chakraborty and N. Minowa

Stereoselective Construction of the C21-C42 Fragment of Rapamycin

J. Chem. Soc., Chem. Commun. 1993, 619-622

34 T. K. Chakraborty,*  K. A. Hussain  and S. P. Joshi

Stereocontrolled Total Synthesis of 9(R)-N-Boc-Ahda Methyl ester

Chemistry Lett. 1992, 2385-2388

33 T. K. Chakraborty* and G. V. Reddy

Studies Directed toward the Synthesis of Glycopeptide Antibiotic Teicoplanin: First Synthesis of the N-Terminal 14-Membered Ring

J. Org. Chem. 1992, 57, 54625469

32 A. V. Rama Rao,* T. K. Chakraborty and S. P. Joshi

The First Synthesis of C-Terminal Biphenyl Moiety of Vancomycin

Tetrahedron Lett. 1992, 33, 4045-4048

31 A. V. Rama Rao,* T. K. Chakraborty, K. L. Reddy and A. S. Rao

Ortho-Nitro-Promoted Ullmann Ether Synthesis : Application in the Synthesis of K-13 and the Isodityrosine unit of Vancomycin

Tetrahedron Lett. 1992, 33, 4799-4802

30 T. K. Chakraborty,* G. V. Reddy and K. A. Hussain

Diastereoselective Strecker Synthesis using a-Phenyl Glycinol as Chiral Auxiliary

Tetrahedron Lett. 1991, 32, 7597-7600

29 T. K. Chakraborty* and K. Gangakhedkar

Stereoselective Synthesis of…the Hydroxyethylene Isosteric Moiety of Potent HIV-1 Protease Inhibitor

Tetrahedron Lett. 1991, 32, 1897-1898

28 A. V.Rama Rao,* T. K. Chakraborty and K. Laxma Reddy

Studies Directed towards the Synthesis of Immunosuppressive Agent FK-506

Tetrahedron Lett. 1991, 32, 1251-1254

27 T. K. Chakraborty* and G. V. Reddy

Studies Directed towards the Selective C-2 Opening of 2,3-Epoxyalcohols with Azide Ion

Tetrahedron Lett. 1991, 32, 679-682

26 A. V. Rama Rao,* T. K. Chakraborty, D. Sankarnarayanan and A. V. Purandare

Studies Directed towards the Synthesis of Immunosuppressive Agent FK-506: Synthesis of the Entire Top-Half

Tetrahedron Lett. 1991, 32, 547-550

25 T. K. Chakraborty* and S. P. Joshi

Total Synthesis of N-phthaloyl ADDA Methyl Ester

Tetrahedron Lett. 1990, 31, 2043-2046

24 A. V. Rama Rao,* T. K. Chakraborty and A. V. Purandare

Studies Directed towards the Synthesis of Immunosuppressive Agent FK-506: Synthesis of C20-C27 Moiety

Tetrahedron Lett. 1990, 31, 1443-1446

23 A. V. Rama Rao,* T. K. Chakraborty and K. L. Reddy

Studies Directed towards the Synthesis of Immunosuppressive Agent FK-506: Construction of the Tricarbonyl Moiety

Tetrahedron Lett. 1990, 31, 1439-1442

22 T. K. Chakraborty* and G. V. Reddy

Regioselective Ring Opening of Silyl Epoxy Alcohols with Azide Ion

Tetrahedron Lett. 1990, 31, 1335-1338

21 A. V. Rama Rao,* T. G. M. Dhar, D. S. Bose, T. K. Chakraborty and M. K. Gurjar

A Versatile Protocol for b-Hydroxy-a-aminoacids: an Application to MeBmt

Tetrahedron 1989, 45, 7361-7370

20 T. K. Chakraborty* and G. V. Reddy

Unusual O-alkylation with Iodomethyl trimethylsilane

J. Chem. Soc., Chem. Commun. 1989, 251-253

19 A. V. Rama Rao,* T. G. M. Dhar, T. K Chakraborty and M. K. Gurjar

A Stereospecific Synthesis of MeBmt

Tetrahedron Lett. 1988, 29, 2069-2072

18 K. C. Nicolaou,* R. A. Daines, Y. Ogawa and T. K. Chakraborty

Total Synthesis of Amphotericin B 3. The Final Stages

J. Am. Chem. Soc. 1988, 110, 4696-4705

17 K. C. Nicolaou,* R. A. Daines, T. K. Chakraborty and Y. Ogawa

Total Synthesis of Amphoteronolide B and Amphotericin B 2. Total Synthesis of Amphoteronolide B

J. Am. Chem. Soc. 1988, 110, 4685-4696

16 K. C. Nicolaou,* R. A. Daines, J. Uenishi, W. S. Li, D. P. Papahatjis and T. K. Chakraborty

Total Synthesis of Amphoteronolide B and Amphotericin B 1. Strategy and Stereocontrolled Construction of Key Building Blocks

J. Am. Chem. Soc. 1988, 110, 4672-4685

15 K. C. Nicolaou,* T. K. Chakraborty, Y. Ogawa, R. A. Daines, N. S. Simpkins and G. T. Furst

Chemistry of Amphotericin B. Degrada tion Studies and Synthesis of Amphoteronolide B

J. Am. Chem. Soc. 1988, 110, 4660-4672

14 K. C. Nicolaou,* R. A. Daines, T. K. Chakraborty and Y. Ogawa

Total Synthesis of Amphotericin B

J. Am. Chem. Soc. 1987, 109, 2821-2822

13 K. C. Nicolaou,* R. A. Daines and T. K. Chakraborty

Total Synthesis of Amphoteronolide B

J. Am. Chem. Soc. 1987, 109, 2208-2210

12 K. C. Nicolaou,* R. A. Daines, J. Uenishi, W. S. Li, D. P. Papahatjis and T. K. Chakraborty

Stereocontrolled Construction of Key Building Blocks for the Total Synthesis of Amphoteronolide B and Amphotericin  B

J. Am. Chem. Soc. 1987, 109, 2205-2208

11 K. C. Nicolaou,* T. K. Chakraborty, R. A.  Daines and Y. Ogawa

Amphoteronolide B Methyl Ester. Novel Oxidative Deglycosidation of Amphotericin B

J. Chem. Soc., Chem. Commun. 1987, 686-689

10 K. C. Nicolaou,* T. K. Chakraborty, R. A. Daines and N. S. Simpkins

Retrosynthetic Synthetic Chemistry on Amphotericin B. Synthesis of C1-C20and C21-C38 Fragments and Construction of 38-Membered Macrocycle

J. Chem. Soc., Chem. Commun. 1986, 413-416

9 T. K. Chakraborty and S. Chandrasekaran*

A Highly Efficient Synthesis of g- and d- Lactones by Oxidative Cyclization

Chemistry Lett. 1985, 551-554

8 U. Kuchibhotla, T. K. Chakraborty and S. Chandrasekaran*

Selectivity and Reactivity in some Oxida tions with ……Chromium Reagents: A Short Synthesis of Norbisabolide

Ind. J. Chem. 1984, 23B, 1216-1218

7 T. K. Chakraborty and S. Chandrasekaran*

A Facile Entry to Bicyclic g-lactone and a Short Synthesis of (+)-Dihydroactini diolide

Tetrahedron Lett. 1984, 25, 2895-2896

6 T. K. Chakraborty and S. Chandrasekaran*

Efficient Transformation of (Z)-2-Butene-1,4-Diols to a,b-Butenolides: A Simple Synthesis of (+)-Eldanolide

Tetrahedron Lett. 1984, 25, 2891-2894

5 V. Bhushan, T. K. Chakraborty and S. Chandrasekaran*

Reaction of 1,2-Ditertiary Diols with DMAP and Ac2O

J. Org. Chem. 1984, 49, 3974-3978

4 T. K. Chakraborty, V. Bhushan and S. Chandrasekaran*

Oxidation of Diols to Lactones, A Facile Synthesis of (+)-Mevalonolactone

Ind. J. Chem.  1983, 22B, 9-11

3 T. K. Chakraborty and S. Chandrasekaran*

Facile Oxidative Cleavage of C-C Multiple Bonds with Cr(V) Reagent (BiPy)2CrOCl5

OPPI Briefs 1982, 362-365

2 T. K. Chakraborty and S. Chandrasekaran*

Facile Oxidation of Aldehydes to Carboxylic Acids with Cr(V) Reagents

Synth. Commun. 1980, 10, 951-956

1 T. K. Chakraborty and S. Chandrasekaran*

Oxidation of Alcohols to Carbonyl Com pounds with Cr(V) Reagents

Tetrahedron Lett. 1980, 21, 1583-1586