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    • 6. 发明授权
    • Water--insoluble azo colorants based on N-acetoacetyldehydrothiotoluidine
    • 基于N-乙酰乙酰基脱硫硫代甲苯胺的水不溶性偶氮着色剂
    • US5756691A
    • 1998-05-26
    • US874961
    • 1997-06-13
    • Joachim WeberHans Joachim Metz
    • Joachim WeberHans Joachim Metz
    • C09B29/09C09B29/01C09B29/33C09B29/36C09D7/00C09D11/037G03G9/09C09B67/20C09D11/00D06P3/79
    • C09D11/037C09B29/0003C09B29/337C09D7/007G03G9/091
    • Water-insoluble azo colorant based on N-acetoacetyldehydrothiotoluidine Compound of the formula (I) ##STR1## in which R.sub.1 and R.sub.2 independently of one another are a hydrogen atom, C.sub.1 -C.sub.4 -alkyl, C.sub.5 -C.sub.6 -cycloalkyl, a benzyl group, an unsubstituted phenyl group or a substituted phenyl group with 1 to 5, preferably 1 to 3, substituents from the group consisting of C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, halogen, nitro, cyano, hydroxyl, CF.sub.3, CONH.sub.2, CONH(C.sub.5 -C.sub.6 -cycloalkyl), CON(C.sub.1 -C.sub.4 -alkyl).sub.2, CONH(C.sub.1 -C.sub.4 -alkyl), COO(C.sub.1 -C.sub.4 -alkyl), COO(C.sub.5 -C.sub.6 -cycloalkyl) and CONH(phenyl), R.sub.3 is a hydrogen atom, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, halogen, nitro, cyano, hydroxyl, CF.sub.3, COO(C.sub.1 -C.sub.4 -alkyl) or COO(C.sub.5 -C.sub.6 -cycloalkyl) and n is 1 or 2.
    • 基于N-乙酰乙酰基脱硫硫代甲苯胺的水不溶性偶氮着色剂,式(I)的化合物是氢原子,C1-C4烷基,C5-C6-环烷基,苄基,未取代的苯基或取代的苯基 具有1至5个,优选1至3个取代基,由C 1 -C 4 - 烷基,C 1 -C 4 - 烷氧基,卤素,硝基,氰基,羟基,CF 3,CONH 2,CONH(C 5 -C 6环烷基),CON (C 1 -C 4 - 烷基)2,CONH(C 1 -C 4 - 烷基),COO(C 1 -C 4 - 烷基),COO(C 5 -C 6环烷基)和CONH(苯基),R 3是氢原子, - 烷基,C 1 -C 4 - 烷氧基,卤素,硝基,氰基,羟基,CF 3,COO(C 1 -C 4 - 烷基)或COO(C 5 -C 6环烷基),n为1或2。