专利名称：Process for the preparation of
diphenylamines
发明人：IMMEL, OTTO,DR.,DARSOW, GERHARD,
DR.,BUYSCH, HANS-JOSEF, DR.
申请号：EP93111122.3申请日：19930712公开号：EP0581099B1公开日：19970122
摘要：Optionally substituted diphenylamines can be obtained by reaction ofoptionally substituted anilines with optionally substituted cyclohexanones on a
supported catalyst, at 200 - 450 DEG C and 0.1 - 20 bar, the supported catalyst containingone or more metals having a dehydrating action from the group consisting of Ru, Pd, Os,Ir, Pt, Fe, Co, Ni, Re, Mn, Cu, Ag, Cr, Ce.
申请人：BAYER AG,BAYER AG,BAYER AG
地址：DE
国籍：DE
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