Cationic pyrrolo-pyrrol-derivatives, method for producing them and colorants for keratin fibres, containing these compounds
申请人:——
公开号:US20030055268A1
公开(公告)日:2003-03-20
The object of the present invention are diketopyrrolopyrroles of the general formula (I)
1
wherein, independently of one another, Q
1
and Q
2
represent an optionally substituted, aromatic, isocyclic or heterocyclic group with 5 to 14 atoms in the ring, the heterocyclic group containing at least one oxygen, nitrogen or sulfur atom, and the R1 and R2 groups, independently of one another represent hydrogen or a Y—B
+
A
−
group, with the proviso that at least one of the R1 and R2 groups is not hydrogen; B
+
is an aromatic, aliphatic, alicyclic, aromatic heterocyclic or non-aromatic heterocyclic, quaternary ammonium group or a quaternary phosphonium group; Y is an optionally substituted linear or branched C
1
to C
6
alkylcne group and A
−
is an anion; a method for their synthesis as well as agents, containing compounds of formula (I), for dyeing keratin fibers.
本发明的目的是通式(I)的二酮吡咯并吡咯化合物
1
其中,Q
1
和 Q
2
代表环中含有 5 至 14 个原子的任选取代的芳香族、异环或杂环基团,杂环基团含有至少一个氧原子、氮原子或硫原子,且 R1 和 R2 基团各自代表氢或 Y-B
和加合物;
A
-
基团,但 R1 和 R2 基团中至少有一个不是氢;B
加
是芳香族、脂肪族、脂环族、芳香杂环族或非芳香杂环族、季铵基团或季鏻基团;Y 是任选取代的线性或支链 C
1
至 C
6
烷基和 A
-
是阴离子;其合成方法以及含有式 (I) 化合物的染色剂,用于染色角蛋白纤维。