A process for the manufacture of aromatic nitriles by reacting an aromatic halogen compound with formamide and the anhydride of a monocarboxylic acid in the presence of a copper catalyst and an acid-binding agent. Particularly applicable to replacement of halogen ortho to the azo linkage of an azo dyestuff by cyano.
一种通过在
铜催化剂和酸性结合剂的存在下,将芳香卤化合物与甲酰胺和一元
羧酸的酐反应制备芳香
硝基化合物的方法。特别适用于通过
氰基将偶氮
染料的偶氮键旁的卤素进行替代。