邻硝基氯苯催化加氢的选择性

Selectivity of catalytic hydrogenation of o-nitro-chlorobenzene

研究了邻硝基氯苯催化加氢制备２，２＇－二氯氢化偶苯的反应，并从主催化剂、助催化剂和反应温度对选择性的影响进行了研究。在优化条件下，选择性可达９３％。

The preparation of 2,2'-dichloro-hydrazobenzene by means of the method ofcatalytic hydrogenation from o-nitro-chlorobenzene is studied.The effects of the catalyst andtemperature on reaction are discussed.On optimum conditions,the selectivity of the reaction isabout 93%。