Recent developments in amide synthesis: Direct amidation of carboxylic acids and transamidation reactions

RM Lanigan, TD Sheppard - European Journal of Organic …, 2013 - Wiley Online Library
The synthesis of amides is of huge importance in a wide variety of industrial and academic
fields and is of particular significance in the synthesis of pharmaceuticals. Many of the well …

[HTML][HTML] Direct transamidation reactions: mechanism and recent advances

P Acosta-Guzmán, A Mateus-Gómez… - Molecules, 2018 - mdpi.com
Amides are undeniably some of the most important compounds in Nature and the chemical
industry, being present in biomolecules, materials, pharmaceuticals and many other …

Large-scale applications of amide coupling reagents for the synthesis of pharmaceuticals

JR Dunetz, J Magano… - … Process Research & …, 2016 - ACS Publications
Large-Scale Applications of Amide Coupling Reagents for the Synthesis of Pharmaceuticals |
Organic Process Research & Development ACS ACS Publications C&EN CAS Find my …

Direct amide formation from unactivated carboxylic acids and amines

CL Allen, AR Chhatwal, JMJ Williams - Chemical Communications, 2012 - pubs.rsc.org
Direct amide formation from unactivated carboxylic acids and amines - Chemical
Communications (RSC Publishing) DOI:10.1039/C1CC15210F Royal Society of Chemistry …

Direct amidation of esters by ball milling

WI Nicholson, F Barreteau, JA Leitch… - Angewandte …, 2021 - Wiley Online Library
The direct mechanochemical amidation of esters by ball milling is described. The
operationally simple procedure requires an ester, an amine, and substoichiometric KOtBu …

Direct Synthesis of Amides from Carboxylic Acids and Amines Using B(OCH2CF3)3

RM Lanigan, P Starkov… - The Journal of organic …, 2013 - ACS Publications
B (OCH2CF3) 3, prepared from readily available B2O3 and 2, 2, 2-trifluoroethanol, is as an
effective reagent for the direct amidation of a variety of carboxylic acids with a broad range of …

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 …

Direct Amidation of Carboxylic Acids Catalyzed by ortho-Iodo Arylboronic Acids: Catalyst Optimization, Scope, and Preliminary Mechanistic Study Supporting a …

N Gernigon, RM Al-Zoubi, DG Hall - The Journal of organic …, 2012 - ACS Publications
The importance of amides as a component of biomolecules and synthetic products motivates
the development of catalytic, direct amidation methods employing free carboxylic acids and …

Transamidation of primary amides with amines using hydroxylamine hydrochloride as an inorganic catalyst

CL Allen, BN Atkinson, JMJ Williams - Angewandte Chemie International …, 2012 - infona.pl
Metal‐free catalysis: A method for the transamidation of primary amides with primary or
secondary amines provides access to secondary and tertiary amides, by utilizing catalytic …

[HTML][HTML] Direct amide coupling of non-activated carboxylic acids and amines catalysed by zirconium (IV) chloride

H Lundberg, F Tinnis, H Adolfsson - Chemistry-A European Journal, 2012 - diva-portal.org
The amide functionality is a highly important chemical bond, found in a great number of
synthetic products such as pharmaceuticals, polymers and agrochemicals. The focus of this …