A number of N-acylalkylenediamines were synthesized in high yields by in si
tu monoamidation of carboxylic acids with diamines. The amidation reactions
were carried out simply by heating the substrates at 110 degrees C for 5-2
4 h in the presence of HMDS. (C) 1999 Published by Elsevier Science Ltd. Al
l rights reserved.