发明授权
- 专利标题: Heterocyclic dyestuffs
- 专利标题(中): 杂环染料
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申请号: US5925申请日: 1979-01-23
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公开(公告)号: US4260776A公开(公告)日: 1981-04-07
- 发明人: Horst Harnisch
- 申请人: Horst Harnisch
- 申请人地址: DEX Leverkusen
- 专利权人: Bayer Aktiengesellschaft
- 当前专利权人: Bayer Aktiengesellschaft
- 当前专利权人地址: DEX Leverkusen
- 优先权: DEX2803104 19780125; DEX2844606 19781013
- 主分类号: C07D239/60
- IPC分类号: C07D239/60 ; C07D311/56 ; C07D491/04 ; C07D491/16 ; C09B25/00 ; C09B57/00 ; C09B57/02 ; C07D405/04 ; C07D405/14 ; C07D491/052 ; C07D491/147
摘要:
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 andG 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.
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