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    • 4. 发明授权
    • 5-halogen-2,4-Bis (alkylamino)-1-alkylbenzenes and hair dye compositions
containing same
    • 5-卤代-2,4-双(烷基氨基)-1-烷基苯和含有它们的染发剂组合物
    • US5542953A
    • 1996-08-06
    • US142492
    • 1993-10-22
    • Wolfgang R. BalzerThomas ClausenAnke FrankAlexa Weinges
    • Wolfgang R. BalzerThomas ClausenAnke FrankAlexa Weinges
    • A61K8/00A61K8/33A61K8/40A61K8/41A61K8/49A61Q5/10C07C211/52C07C215/16A61K7/13C07C211/51
    • A61Q5/10A61K8/411A61K8/69C07C211/52C07C215/16
    • The composition for the oxidative dyeing of hair contains at least one coupler of the general formula ##STR1## where R is a straight-chain or branched C.sub.1 - to C.sub.4 -alkyl group, X is chlorine or fluorine, and R.sup.1 is a straight-chain or branched C.sub.1 - to C.sub.4 -alkyl group or a straight-chain or branched C.sub.2 - to C.sub.4 -hydroxyalkyl group. The 5-halogen-2,4-bis(alkylamino)-1-alkylbenzenes of the formula (I) are novel. The couplers of the general formula (I) may be obtained through simple chemical reactions, are easily soluble in water and have an outstanding shelf stability, in particular as a constituent of the hair dye composition described here. The dyeing results which can be achieved with the hair dye composition according to the invention are particularly distinguished by the color intensity of the red hues, in addition to the multitude of shades, and by a good purity of color with respect to blue hues.
    • PCT No.PCT / EP93 / 00011 Sec。 371日期:1993年10月22日 102(e)日期1993年10月22日PCT 1993年1月7日PCT PCT。 出版物WO93 / 16677 日本1993年9月2日头发的氧化染色组合物含有至少一种通式为(I)的成色剂,其中R是直链或支链的C 1 -C 4烷基,X是氯或氟 ,R 1为直链或支链C 1至C 4烷基或直链或支链C 2至C 4 - 羟基烷基。 式(I)的5-卤代-2,4-二(烷基氨基)-1-烷基苯是新颖的。 通式(I)的成色剂可以通过简单的化学反应获得,易溶于水并具有优异的贮存稳定性,特别是作为本文所述的染发剂组合物的成分。 通过根据本发明的染发剂组合物可以实现的染色结果特别地除了多种色调之外的红色调的颜色强度以及相对于蓝色色调的良好的颜色纯度。