申请人:Bristol-Myers Squibb Company
公开号:EP0398702A2
公开(公告)日:1990-11-22
The present invention concerns the aminophenols (I) as novel couplers
wherein R₁ and R₂ may be the same or different and are hydrogen, alkyl and hydroxyalkyl of from 1 to about 6 carbons in the alkyl moiety, or R₁ and R₂ can also form, together with the nitrogen atom to which they are attached, a morpholine, piperidine or pyrrolidine ring, and R₃ and R₄ are hydrogen, alkyl, acyl and hydroxyalkyl having from 1 to about 6 carbons, and oxidative hair dye compositions containing same along with at least one primary dye intermediate in aqueous or hydroalcoholic media.
本发明涉及作为新型偶联剂的氨基苯酚 (I)
其中,R₁ 和 R₂ 可以相同或不同,并且是氢、烷基和烷基中 1 至 6 个碳原子的羟烷基,或者 R₁ 和 R₂ 也可以与它们所连接的氮原子一起形成吗啉环、哌啶环或吡咯烷环,而 R₃ 和 R₄ 是氢、烷基和羟烷基、R₃和 R₄是氢、烷基、酰基和羟基烷基,具有 1 至 6 个碳原子,以及在水性或水醇介质中含有至少一种主染料中间体的氧化染发组合物。