Strategic approaches to improvise peptide drugs as next generation therapeutics

P Barman, S Joshi, S Sharma, S Preet… - International journal of …, 2023 - Springer
In recent years, the occurrence of a wide variety of drug-resistant diseases has led to an
increase in interest in alternate therapies. Peptide-based drugs as an alternate therapy hold …

An amide to thioamide substitution improves the permeability and bioavailability of macrocyclic peptides

P Ghosh, N Raj, H Verma, M Patel… - Nature …, 2023 - nature.com
Solvent shielding of the amide hydrogen bond donor (NH groups) through chemical
modification or conformational control has been successfully utilized to impart membrane …

An Insight into the Pharmacology of Sulphur Containing Peptide Drugs

A Sharma, LR Singh - European Journal of Medicinal Chemistry, 2024 - Elsevier
Since last century, peptides have emerged as potential drugs with> 90 FDA approvals for
various targets with several in the pipeline. Sulphur, in peptides is present either as thiol …

Chemoselective Transamidation of Thioamides by Transition‐Metal‐Free N− C (S) Transacylation

G Li, Y Xing, H Zhao, J Zhang, X Hong… - Angewandte Chemie …, 2022 - Wiley Online Library
Thioamides represent highly valuable isosteric in the strictest sense “single‐atom
substitution” analogues of amides that have found broad applications in chemistry and …

Thio and Seleno‐Psoralens as Efficient Triplet Harvesting Photosensitizers for Photodynamic Therapy

S Jena, P Mohanty, S Rout Rout… - … A European Journal, 2024 - Wiley Online Library
Abstract The Psoralen (Pso) molecule finds extensive applications in photo‐chemotherapy,
courtesy of its triplet state forming ability. Sulfur and selenium replacement of exocyclic …

Ynamide-mediated thioamide and primary thioamide syntheses

C Wang, C Han, J Yang, Z Zhang… - The Journal of Organic …, 2022 - ACS Publications
Environmentally friendly ynamide-mediated thioamidation of monothiocarboxylic acids with
amines or ammonium hydroxide for the syntheses of thioamides and primary thioamides is …

Thionation of poly (2-ethyl-2-oxazoline) and its effect on solubility and cloud point

A Hacioglu, V Baddam, A Kerr, J Kehrein… - …, 2024 - ACS Publications
Many water-soluble polymers undergo phase separation above their lower critical solution
temperature (LCST) in aqueous solutions. Generally, the LCST is controlled via the polymer …

Preparation of thioamides from alkyl bromides, nitriles, and hydrogen sulfide through a thio-Ritter-type reaction

SZ Tang, K Xiang, R Ye, ME Chen, JC Yu… - Chemical …, 2022 - pubs.rsc.org
A novel thio-Ritter-type reaction of alkyl bromides, nitriles, and hydrogen sulfide has been
explored, providing a straightforward approach toward functionally important thioamides …

Structural impact of thioamide incorporation into a β-hairpin

KE Fiore, MJ Patist, S Giannakoulias, CH Huang… - RSC Chemical …, 2022 - pubs.rsc.org
The thioamide is a naturally-occurring single atom substitution of the canonical amide bond.
The exchange of oxygen to sulfur alters the amide's physical and chemical characteristics …

Hydrogen bond and geometry effects of thioamide backbone modifications

BJ Lampkin, B VanVeller - The Journal of organic chemistry, 2021 - ACS Publications
Thioamide substitution of backbone peptide bonds can probe interactions along the main
chain of proteins. Despite theoretical predictions of the enhanced hydrogen bonding …