α, β‐Unsaturated γ‐Peptide Foldamers

B Legrand, LT Maillard - ChemPlusChem, 2021 - Wiley Online Library
Despite their concomitant emergence in the 1990s, γ‐peptide foldamers have not developed
as fast as β‐peptide foldamers and to date, only a few γ‐oligomer structures have been …

HBTU Mediated Synthesis of α,β‐Unsaturated γ‐Lactams from E‐α,β‐Unsaturated γ‐Amino Acids

M Singh, SA Nalawade, DRP Kumar… - European Journal of …, 2023 - Wiley Online Library
The α, β‐unsaturated γ‐lactams have been found in many biologically active peptide natural
products. Due to their biological activities, extensive efforts have been made in the literature …

Non‐classical Helices with cis Carbon–Carbon Double Bonds in the Backbone: Structural Features of α,γ‐Hybrid Peptide Foldamers

M Ganesh Kumar, VJ Thombare… - Angewandte …, 2016 - Wiley Online Library
The impact of geometrically constrained cis α, β‐unsaturated γ‐amino acids on the folding of
α, γ‐hybrid peptides was investigated. Structure analysis in single crystals and in solution …

Self-Assembly to Function: Design, Synthesis, and Broad Spectrum Antimicrobial Properties of Short Hybrid E-Vinylogous Lipopeptides

SS Shankar, SN Benke, N Nagendra… - Journal of Medicinal …, 2013 - ACS Publications
Nonribosomal E-vinylogous γ-amino acids are widely present in many peptide natural
products and have been exploited as inhibitors for serine and cysteine proteases. Here, we …

α/γ 4-Hybrid peptide helices: synthesis, crystal conformations and analogy with the α-helix

A Bandyopadhyay, SV Jadhav, HN Gopi - Chemical Communications, 2012 - pubs.rsc.org
Synthesis, crystal conformations of α/γ4-hybrid peptide helices containing proteinogenic
amino acid side-chains, and the analogy with the α-helix are reported. Results suggest that …

Comparison of backbone modification in protein β-sheets by α→ γ residue replacement and α-residue methylation

GA Lengyel, ZE Reinert, BD Griffith… - Organic & biomolecular …, 2014 - pubs.rsc.org
The mimicry of protein tertiary structure by oligomers with unnatural backbones is a
significant contemporary research challenge. Among common elements of secondary …

Introduction of cyclically constrained γ-residues stabilizes an α-peptide hairpin in aqueous solution

GA Lengyel, GA Eddinger, WS Horne - Organic letters, 2013 - ACS Publications
The synthesis and structural characterization of hybrid α/γ-peptides resulting from a 1: 1 α→
γ residue substitution at cross-strand positions in a hairpin-forming α-peptide sequence are …

Hybrid peptides: Direct transformation of α/α, β-unsaturated γ-hybrid peptides to α/γ-hybrid peptide 12-helices

A Bandyopadhyay, HN Gopi - Organic Letters, 2012 - ACS Publications
Hybrid Peptides: Direct Transformation of α/α, β-Unsaturated γ-Hybrid Peptides to α/γ-Hybrid
Peptide 12-Helices | Organic Letters ACS ACS Publications C&EN CAS Find my institution Log …

Exploring β-hydroxy γ-amino acids (statines) in the design of hybrid peptide foldamers

A Bandyopadhyay, A Malik, MG Kumar, HN Gopi - Organic Letters, 2014 - ACS Publications
Exploring β-Hydroxy γ-Amino Acids (Statines) in the Design of Hybrid Peptide Foldamers |
Organic Letters ACS ACS Publications C&EN CAS Find my institution Log In Organic Letters …

Direct Transformation of N-Protected α, β-Unsaturated γ-Amino Amides into γ-Lactams through a Base-Mediated Molecular Rearrangement

M Ganesh Kumar, K Veeresh… - The Journal of …, 2019 - ACS Publications
Here, we are reporting a single-step transformation of N-protected α, β-unsaturated γ-amino
amides into 5, 5-disubstituted γ-lactams through a base-mediated new molecular …