Green chemistry in the synthesis of pharmaceuticals

S Kar, H Sanderson, K Roy, E Benfenati… - Chemical …, 2021 - ACS Publications
The principles of green chemistry (GC) can be comprehensively implemented in green
synthesis of pharmaceuticals by choosing no solvents or green solvents (preferably water) …

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 …

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 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 …

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 …

Photocatalytic carbonylation strategies: A recent trend in organic synthesis

J Singh, S Sharma, A Sharma - The Journal of Organic Chemistry, 2020 - ACS Publications
In the last few decades, photocatalytic radical carbonylation strategies have received
considerable attention as they are becoming a formidable tool in the toolbox of organic …

Lanthanum (III) triflate catalyzed direct amidation of esters

H Morimoto, R Fujiwara, Y Shimizu, K Morisaki… - Organic …, 2014 - ACS Publications
Lanthanum trifluoromethanesulfonate is an effective single-component catalyst for
synthesizing a variety of amides directly from esters and amines under mild conditions …

Transamidation of carboxamides catalyzed by Fe (III) and water

L Becerra-Figueroa, A Ojeda-Porras… - The Journal of …, 2014 - ACS Publications
The highly efficient transamidation of several primary, secondary, and tertiary amides with
aliphatic and aromatic amines (primary and secondary) is described. The reaction is …

Fast amide couplings in water: Extraction, column chromatography, and crystallization not required

S Sharma, NW Buchbinder, WM Braje, S Handa - Organic Letters, 2020 - ACS Publications
In the micelle of PS-750-M, the presence of 3° amides from the surfactant proline linker
mimics dimethylformamide, dimethylacetamide, and N-methyl-2-pyrrolidone. The resultant …