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公开(公告)号:US4549989A
公开(公告)日:1985-10-29
申请号:US540734
申请日:1983-10-11
申请人: Paul Schmutz , Hans-Jorg Angliker
发明人: Paul Schmutz , Hans-Jorg Angliker
IPC分类号: B01J31/00 , C07B61/00 , C07C225/34 , C09B1/22 , C09B1/32 , C09B1/503 , C07C97/24 , C07C97/26
摘要: The invention relates to a process for the preparation of monoaminoanthraquinones of the formula ##STR1## wherein R is a non-ionic substituent and n is 0, 1, 2 or 3, by reduction of corresponding mononitroanthraquinones, which process comprises reacting said mononitroanthraquinones with formaldehyde, in the presence of a base and a catalyst, in an aqueous alcoholic solution.
摘要翻译: 本发明涉及通过还原相应的单硝基蒽醌来制备式“IMAGE”的单氨基蒽醌的方法,其中R是非离子取代基,n是0,1,2或3,该方法包括使所述单硝基蒽醌与甲醛反应 在碱和催化剂的存在下,在水溶液中。