Recent developments in catalytic amide bond formation

M Todorovic, DM Perrin - Peptide Science, 2020 - Wiley Online Library
Amide bond forming reactions are critical for both polypeptide synthesis and medicinal
chemistry. Most current approaches for amidation employ stoichiometric activating agents …

A glimpse into green chemistry practices in the pharmaceutical industry

S Sharma, J Das, WM Braje, AK Dash… - …, 2020 - Wiley Online Library
In this Minireview, the importance and implementation of green chemistry practices in the
pharmaceutical industry are illustrated. With notable examples, some of the most important …

Borate esters: Simple catalysts for the sustainable synthesis of complex amides

MT Sabatini, LT Boulton, TD Sheppard - Science Advances, 2017 - science.org
Chemical reactions for the formation of amide bonds are among the most commonly used
transformations in organic chemistry, yet they are often highly inefficient. A novel protocol for …

Cyclopentyl methyl ether: an elective ecofriendly ethereal solvent in classical and modern organic chemistry

U Azzena, M Carraro, L Pisano, S Monticelli… - …, 2019 - Wiley Online Library
Solvents represent one of the major contributions to the environmental impact of fine‐
chemical synthesis. As a result, the use of environmentally friendly solvents in widely …

Mechanistic insights into boron-catalysed direct amidation reactions

S Arkhipenko, MT Sabatini, AS Batsanov… - Chemical …, 2018 - pubs.rsc.org
The generally accepted monoacyloxyboron mechanism of boron-catalysed direct amidation
is brought into question in this study, and new alternatives are proposed. We have carried …

Recent Advances in Carbon‐Nitrogen/Carbon‐Oxygen Bond Formation Under Transition‐Metal‐Free Conditions

R Zhang, CY Song, Z Sui, Y Yuan, YC Gu… - The Chemical …, 2023 - Wiley Online Library
Carbon‐heteroatom bond formation under transition‐metal free conditions provides a
powerful synthetic alternative for the efficient synthesis of valuable molecules. In particular …

Sequence-based identification of arginine amidation sites in proteins using deep representations of proteins and PseAAC

S Naseer, W Hussain, YD Khan… - Current …, 2020 - ingentaconnect.com
Background: Among all the major post-translational modifications, amidation seems to be a
small change, where a peptide ends with an amide group (-NH 2), not a carboxyl group …

Methyltrimethoxysilane (MTM) as a reagent for direct amidation of carboxylic acids

DC Braddock, JJ Davies, PD Lickiss - Organic Letters, 2022 - ACS Publications
Methyltrimethoxysilane [MTM, CH3Si (OMe) 3] has been demonstrated to be an effective,
inexpensive, and safe reagent for the direct amidation of carboxylic acids with amines. Two …

Diboronic acid anhydride-catalyzed direct peptide bond formation enabled by hydroxy-directed dehydrative condensation

M Koshizuka, K Makino, N Shimada - Organic Letters, 2020 - ACS Publications
We report the catalytic direct peptide bond formations via dehydrative condensation of β-
hydroxy-α-amino acids, affording the serine, threonine, or β-hydroxyvaline-derived peptides …

Tetramethyl orthosilicate (TMOS) as a reagent for direct amidation of carboxylic acids

DC Braddock, PD Lickiss, BC Rowley, D Pugh… - Organic …, 2018 - ACS Publications
Tetramethyl orthosilicate (TMOS) is shown to be an effective reagent for direct amidation of
aliphatic and aromatic carboxylic acids with amines and anilines. The amide products are …