1,7 - dibromodibenzosuberon and method for producing

摘要

The invention referres to the new dibenzosuberone derivatives N,N'-bis(3'-dimethylamino-1'-propyl)dibenzosuberone-3,7-bis-carboxamide (1) and to the process for its preparation via 3,7-di-cyano-dibenzosuberone (3).