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    • 75. 发明授权
    • Bis-(triazinylamino)-stillene derivatives
    • 双 - (三嗪基氨基) - 茋衍生物
    • US3956283A
    • 1976-05-11
    • US470523
    • 1974-05-16
    • Fritz Fleck
    • Fritz Fleck
    • C09B57/00C11D3/42D21H21/28D21H21/30C07D403/10
    • D21H21/30C11D3/42Y10S8/918Y10S8/919
    • Disclosed are compounds of formula I, ##SPC1##in which R.sub.1 signifies hydrogen, fluorine, bromine, chlorine, C.sub.1-6 alkyl, C.sub.1-6 alkoxy or --SO.sub.3 M,R.sub.2 signifies cyano or --CONR.sub.3 R.sub.4,in which either R.sub.3 and R.sub.4, independently, each signify hydrogen, C.sub.1-6 alkyl or C.sub.2-6 hydroxyalkyl,Or R.sub.3 and R.sub.4, together with the nitrogen atom to which they are attached, signify a pyrrolidino, piperidino or morpholino ring, andM signifies hydrogen or a non-chromophoric cation,Their production and use as optical brightening agents, particularly for cellulosic substrates such as paper and cotton.
    • 公开了式I化合物,其中R 1表示氢,氟,溴,氯,C 1-6烷基,C 1-6烷氧基或-SO 3 M,R 2表示氰基或-CONR 3 R 4,其中R 3和R 4各自独立地表示氢, C 1-6烷基或C 2-6羟烷基,OR 3和R 4与它们所连接的氮原子一起表示吡咯烷子基,哌啶子基或吗啉代环,M表示氢或非发色阳离子。它们的生产和使用 作为光学增亮剂,特别是作为纸和棉的纤维基材。