申请人:Henkel Kommanditgesellschaft auf Aktien
公开号:US05685881A1
公开(公告)日:1997-11-11
Aromatic allylaminonitro compounds corresponding to formula (I): ##STR1## in which R.sup.1 is hydrogen or an alkyl group containing 1 to 4 carbon atoms, R.sup.2 is hydrogen, an alkyl group containing 1 to 4 carbon atoms or an allyl group CH.sub.2 C(R.sup.5)=CH.sub.2, where R.sup.5 is hydrogen or an alkyl group containing 1 to 4 carbon atoms, R.sup.3 is carboxyl, hydroxy, nitro, halogen or a group NR.sup.6 R.sup.7, where R.sup.6 and R.sup.7 independently of one another represent hydrogen, an alkyl group containing 1 to 4 carbon atoms, a hydroxyalkyl or dihydroxyalkyl group containing 2 to 4 carbon atoms or an allyl group CH.sub.2 C(R.sup.8)=CH.sub.2, where R.sup.8 is hydrogen or an alkyl group containing 1 to 4 carbon atoms, and R.sup.4 is hydrogen or nitro, with the proviso that R.sup.3 and R.sup.4 are not both nitro. The compounds are useful for dyeing fibers, particularly human hair.
配方(I)对应的芳香族烯丙基氨基硝基化合物:##STR1##
其中,R.sup.1是氢或含有1至4个碳原子的烷基基团,R.sup.2是氢,含有1至4个碳原子的烷基基团或烯丙基基团CH.sub.2 C(R.sup.5)=CH.sub.2,其中R.sup.5是氢或含有1至4个碳原子的烷基基团,R.sup.3是羧基,羟基,硝基,卤素或基团NR.sup.6 R.sup.7,其中R.sup.6和R.sup.7分别独立表示氢,含有1至4个碳原子的烷基基团,含有2至4个碳原子的羟基烷基或二羟基烷基基团或烯丙基基团CH.sub.2 C(R.sup.8)=CH.sub.2,其中R.sup.8是氢或含有1至4个碳原子的烷基基团,而R.sup.4是氢或硝基,但须注意R.sup.3和R.sup.4不能同时为硝基。这些化合物可用于染色纤维,特别是人体头发。