Kationische Farbstoffe

摘要

1326323 Benzo-[c]-cinnolinium compounds BAYER AG 23 Aug 1971 [21 Aug 1970 9 Dec 1970] 39509/71 Heading C2C [Also in Division C4] Examples 8 to 19 describe the preparation of compounds of benzo-[c]-cinnolinium compounds by reacting corresponding benzo-[c]-cinnoline compounds or their N-oxides with alkylating or quarternizing agents. The carbocylic rings may be substituted by Cl, Br, CH 3 , or OCH 3 .