申请人:Bayer Aktiengesellschaft
公开号:US04260776A1
公开(公告)日:1981-04-07
Dyestuffs of the formula ##STR1## wherein R.sup.1, R.sup.2, R denote H, alkyl, alkenyl, cycloalkyl, aralkyl etc. R.sup.3, R.sup.4 denote H, alkyl, aralkyl, aryl, alkoxy, halogen, CN, COOH, alkoxycarbonyl, alkylsulfonyl, arylsulfonyl etc. Z denotes O, S or --N(R)--, p and q denote 0 or 1, but not simultaneously 0 and G stands for the remaining members of a ring system, with the proviso that R.sub.3 is not alkyl if G is a thiazole ring, are outstanding suitable for dyeing fibre materials of all kinds in clear yellow to violet shades with good fastness properties.
式子为 ##STR1## 其中 R.sup.1,R.sup.2,R 代表 H,烷基,烯基,环烷基,芳基等。R.sup.3,R.sup.4 代表 H,烷基,芳基烷基,芳基,烷氧基,卤素,CN,COOH,烷氧羰基,烷基磺酰基,芳基磺酰基等。Z 代表 O,S 或 --N(R)--,p 和 q 代表 0 或 1,但不能同时为 0,G 代表环系的其余成员,但要注意如果 G 是噻唑环,则 R.sub.3 不是烷基。这些染料非常适合染色各种纤维材料,色调从明黄色到紫罗兰色,具有良好的耐久性。