发明授权
- 专利标题： Naphthoquinone derivatives
- 专利标题（中）： 萘醌衍生物
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申请号： US411086申请日： 1973-10-30
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公开(公告)号： US3931163A公开(公告)日： 1976-01-06
- 发明人: Bansi Lal Kaul
- 申请人： Bansi Lal Kaul
- 申请人地址： CH Basel
- 专利权人： Sandoz Ltd., (Sandoz AG)
- 当前专利权人： Sandoz Ltd., (Sandoz AG)
- 当前专利权人地址： CH Basel
- 优先权： CH16035/72 19721103; CH18382/72 19721218; CH435/73 19730112
- 主分类号： C09B13/00
- IPC分类号： C09B13/00 ; C07D251/20 ; C07D471/04 ; C09B57/00 ; C07D251/26 ; C07D239/00
摘要：
The present invention relates to naphthoquinone derivatives of formula I, ##SPC1##in whichR.sub.1 signifies a halogen atom, a nitro group or an unsubstituted or substituted alkoxy or amino group,R.sub.2 signifies the atoms necessary to form an unsaturated ring system, which ring system has 1 or 2 nuclei and is unsubstituted or substituted,R.sub.3 signifies an unsubstituted or substituted s-triazinyl or pyrimidyl radical, andn is 0, 1 or 2,Which compounds are free from sulphonic acid groups are useful as pigments or disperse dyes.
公开/授权文献
- US5801120A Substituted benzoyl (hetero) cyclic diones 公开/授权日：1998-09-01
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