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    • 9. 发明授权
    • Trisazo dyes
    • 三唑类染料
    • US6028179A
    • 2000-02-22
    • US147107
    • 1998-10-05
    • Gerhard ScholzGunther Lamm
    • Gerhard ScholzGunther Lamm
    • C09B33/22C09B45/24C09B29/00
    • C09B33/22C09B45/24
    • Trisazo dyes of the general formula I ##STR1## where R.sup.1 is hydrogen, C.sub.1 -C.sub.4 -alkyl, halogen, nitro, hydroxysulfonyl, sulfamoyl, mono- or di-C.sub.1 -C.sub.4 -alkylsulfamoyl, C.sub.1 --C.sub.4 -alkylsulfonyl or C.sub.1 -C.sub.4 -alkoxysulfonyl,R.sup.2 is hydrogen, halogen, nitro or hydroxysulfonyl, at least one of R.sup.1 and R.sup.2 being nitro,R.sup.3 and R.sup.4 are each independently of the other hydroxyl or amino,R.sup.5 is hydrogen, C.sub.1 -C.sub.4 -alkyl, hydroxysulfonyl, sulfamoyl, mono- or di-C.sub.1 -C.sub.4 -alkylsulfamoyl, C.sub.1 -C.sub.4 -alkylsulfonyl, C.sub.1 -C.sub.4 -alkoxysulfonyl or carboxyl,R.sup.6 is hydrogen or C.sub.1 -C.sub.4 -alkyl,R.sup.7 is hydrogen, C.sub.1 -C.sub.4 -alkyl, hydroxysulfonyl, sulfamoyl, mono- or di-C.sub.1 -C.sub.4 -alkylsulfamoyl, C.sub.1 -C.sub.4 -alkylsulfonyl, C.sub.1 -C.sub.4 -alkoxysulfonyl, SO.sub.2 N(CH.sub.2 COOH).sub.2 or carboxyl,R.sup.8 is hydrogen, C.sub.1 -C.sub.4 -alkyl, hydroxyl, C.sub.1 -C.sub.4 -alkoxy, halogen or nitro,with the proviso that at least one of R.sup.5 and R.sup.7 is COOH or SO.sub.3 H and when R.sup.5 or R.sup.7 is SO.sub.3 H the other is COOH, or R.sup.3 and/or R.sup.4 are each amino or R.sup.1 is hydrogen or R.sup.6 is alkyl,in free form or as transition metal complexes, are useful for dyeing leather, textile fibers and paper.
    • PCT No.PCT / EP97 / 01616 Sec。 371日期:1998年10月5日 102(e)日期1998年10月5日PCT提交1997年4月1日PCT公布。 公开号WO97 / 38052 日期:1997年10月16日通式Ⅰ其中R 1为氢,C 1 -C 4烷基,卤素,硝基,羟基磺酰基,氨磺酰基,单 - 或二-C 1 -C 4烷基氨磺酰基,C 1 -C 4 - 烷基磺酰基或C 1 -C 4 - C4烷氧基磺酰基,R2是氢,卤素,硝基或羟基磺酰基,R 1和R 2中的至少一个是硝基,R 3和R 4各自独立地是其它羟基或氨基,R 5是氢,C 1 -C 4烷基,羟基磺酰基, C 1 -C 4烷基磺酰基,C 1 -C 4烷氧基磺酰基或羧基,R 6是氢或C 1 -C 4烷基,R 7是氢,C 1 -C 4烷基,羟基磺酰基,氨磺酰基, 单或二C1-C4烷基氨磺酰基,C1-C4-烷基磺酰基,C1-C4-烷氧基磺酰基,SO2N(CH2COOH)2或羧基,R8是氢,C1-C4-烷基,羟基,C1-C4-烷氧基, 或硝基,条件是R 5和R 7中的至少一个是COOH或SO 3 H,并且当R 5或R 7是SO 3 H时,另一个是COOH,或者R 3和/或R 4各自是氨基或R 1是氢或R 6是烷基, 形式或作为过渡金属络合物, 可用于染色皮革,纺织纤维和纸张。