Search Results - "Thimmalapura, Vishwanatha M"
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Thioacids - synthons for amide bond formation and ligation reactions: assembly of peptides and peptidomimetics
Published in Organic & biomolecular chemistry (2018)“…The synthesis of α-amino thioacids and peptide thioacids and their applications in chemoselective amide bond formation, ligation of…”
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Synthesis of Nβ‑Protected Amino Sulfenyl Methyl Formamides and Sulfonyl Methyl Formamides: A Simple Protocol
Published in ACS omega (23-02-2021)“…Chiral amino acid-derived formamides represent one of the most versatile components in multicomponent reactions. Herein, we describe a facile synthesis of…”
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Tubulysin Synthesis Featuring Stereoselective Catalysis and Highly Convergent Multicomponent Assembly
Published in Organic letters (17-07-2020)“…A concise and modular total synthesis of the highly potent N14-desacetoxytubulysin H (1) has been accomplished in 18 steps in an overall yield of up to 30%…”
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Sulfur-Switch Ugi Reaction for Macrocyclic Disulfide-Bridged Peptidomimetics
Published in Organic letters (16-06-2017)“…A general strategy is introduced for the efficient synthetic access of disulfide linked artificial macrocycles via a Ugi four-component reaction (U4CR)…”
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A Pro‐Fluorescent Ubiquitin‐Based Probe to Monitor Cysteine‐Based E3 Ligase Activity
Published in Angewandte Chemie International Edition (07-08-2023)“…Protein post‐translational modification with ubiquitin (Ub) is a versatile signal regulating almost all aspects of cell biology, and an increasing range of…”
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Cysteine Isocyanide in Multicomponent Reaction: Synthesis of Peptido-Mimetic 1,3-Azoles
Published in Journal of organic chemistry (15-09-2017)“…An alternative approach toward the simple and robust synthesis of highly substituted peptidic thiazole derivatives using Ugi-multicomponent reaction (U-MCR) is…”
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A Pro‐Fluorescent Ubiquitin‐Based Probe to Monitor Cysteine‐Based E3 Ligase Activity
Published in Angewandte Chemie (07-08-2023)“…Protein post‐translational modification with ubiquitin (Ub) is a versatile signal regulating almost all aspects of cell biology, and an increasing range of…”
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Synthesis of 1, 5‐ Disubstituted Tetrazole via Ugi Azide Reaction: An Asymmetric Induction Approach
Published in ChemistrySelect (Weinheim) (11-07-2017)“…The Ugi‐azide reaction of an enantiopure amino acid derived isocyanides, amino acid esters, aldehydes and TMS‐N3 in MeOH:THF solvent system at 50 °C yielded…”
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