Chemoselective calcium-catalysed direct amidation of carboxylic esters?
RSC Advances Pub Date: 2015-09-09 DOI: 10.1039/C5RA18288C
Abstract
Unactivated carboxylic esters and primary amines undergo calcium-catalysed direct amide bond formation in excellent yields under homogeneous conditions in toluene. This green and mild reaction proceeds chemoselectively with esters, whereas related carboxylic acids and amides remain unreactive.
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Journal Name：RSC Advances
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CAS no.: 89640-58-4
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