申请人:TOYO INK MANUFACTURING CO., LTD.
公开号:EP0391606A1
公开(公告)日:1990-10-10
A process for the production of an aromatic hydrazo compound, which comprises carrying out catalytic reduction of an aromatic nitro compound with hydrogen in an alkali metal hydroxide aqueous solution in the presence of a noble metal catalyst at a high temperature under a high pressure, wherein the catalytic reduction is carried out by using, as a hydrogen-donating solvent, a cyclic hydrocarbon formed of 1 to 4 aromatic rings as a basic skeleton and having hydrogen atoms attached to at least two places of the aromatic ring(s).
一种芳香族偶氮化合物的生产工艺,包括在高温高压下,在贵金属催化剂存在下,在碱金属氢氧化物水溶液中用氢气对芳香族硝基化合物进行催化还原,其中催化还原是通过使用由 1 至 4 个芳香环形成的环状烃作为基本骨架,并在芳香环的至少两处连接有氢原子作为供氢溶剂来进行的。