公开(公告)号：CH617179A5

公开(公告)日：1980-05-14

申请号：CH1432975

申请日：1975-11-05

Applicant: HOECHST AG

Inventor： KUNSTMANN WALTER DR ,  MEES BERNHARD DR

IPC: C07B61/00 ,  B01J23/00 ,  C07C67/00 ,  C07C209/00 ,  C07C209/36 ,  C07C211/50 ,  C07D235/26 ,  C07C87/50

Abstract: 1,2,4-TRIAMINO BENZENES ARE OBTAINED IN HIGH YIELD AND PURITY BY CATALYTIC HYDROGENATION OF 2,4-DINITRO ANILINES IN WATER CONTAINING AT LEAST ONE MOLAR EQUIVALENT OF A MONO- OR DI-CARBOXYLIC ACID. The products are known and useful as intermediates for dyes and biocides.