Direct amide formation from unactivated carboxylic acids and amines
作者:C. Liana Allen、A. Rosie Chhatwal、Jonathan M. J. Williams
DOI:10.1039/c1cc15210f
日期:——
The directcoupling of unactivated carboxylicacids with amines can be performed in toluene 110 degrees C in the absence of catalyst. The use of simple zirconium catalysts at 5 mol% loading gave amide formation in as little as 4 h.