PROCESS FOR PREPARATION OF BENZENEDICARBOXYLIC ACID AMIDES

摘要

PURPOSE:Benzenedioxycarboxylic acid amides I(where R is phenyl, o-, m-, p-tolyl, o-, m-, p-hydroxyphenyl, morpholino, piperidino, etc.), e.g. N, N'bis-3-(3-hydroxy-4-carboxyphenyl)-1, 3-benzenecarboxyamide.