| 摘要 |
<p>PCT No. PCT/EP93/03303 Sec. 371 Date Jun. 30, 1995 Sec. 102(e) Date Jun. 30, 1995 PCT Filed Nov. 25, 1993 PCT Pub. No. WO94/12149 PCT Pub. Date Jun. 9, 1994Aromatic allylaminonitro compounds corresponding to formula (I): <IMAGE> (I) in which R1 is hydrogen or an alkyl group containing 1 to 4 carbon atoms, R2 is hydrogen, an alkyl group containing 1 to 4 carbon atoms or an allyl group CH2C(R5)=CH2, where R5 is hydrogen or an alkyl group containing 1 to 4 carbon atoms, R3 is carboxyl, hydroxy, nitro, halogen or a group NR6R7, where R6 and R7 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 CH2C(R8)=CH2, where R8 is hydrogen or an alkyl group containing 1 to 4 carbon atoms, and R4 is hydrogen or nitro, with the proviso that R3 and R4 are not both nitro. The compounds are useful for dyeing fibers, particularly human hair.</p> |
