申请人:Bristol-Myers Company
公开号:EP0758547A1
公开(公告)日:1997-02-19
Anthraquinone compounds of formula I
wherein R1 and R2 are methyl and R3 is propyl, or R1 and R2 are ethyl and R3 is methyl and A- is a cosmetically acceptable anion, are useful for the dyeing of hair. Compounds of formula I may advantageously be employed with direct dyes. Compositions and a method of use employing same are disclosed.
式 I 的蒽醌化合物
其中 R1 和 R2 为甲基,R3 为丙基,或 R1 和 R2 为乙基,R3 为甲基,A- 为化妆品可接受的阴离子,可用于染发。式 I 的化合物可与直接染料一起使用。本发明公开了组合物及其使用方法。