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Hårfargemiddel samt tetrahydro-kinoksaliner

申请公布号:NO179574(C)

申请号:NO19910000167

申请日期:1991.01.15

申请公布日期:1996.11.06

申请人:
HENKEL KGAA

发明人:ROSE, DAVID;LIESKE, EDGAR;HOFFKES, HORST

分类号:A61K8/00;A61K8/49;A61Q5/02;A61Q5/10;C07D241/44;C09B51/00;C09B57/00;(IPC1-7):A61K7/13

主分类号:A61K8/00

摘要:PCT No. PCT/EP89/00834 Sec. 371 Date Jan. 25, 1991 Sec. 102(e) Date Jan. 25, 1991 PCT Filed Jul. 17, 1989 PCT Pub. No. WO90/01050 PCT Pub. Date Feb. 8, 1990.The invention relates to the use of compounds corresponding to formula (I) <IMAGE> (1) in which one of the substituents R1 or R2 is a nitro group while the other is hydrogen, halogen, an amino group, a mono- or dialkylamino group containing C1-4 alkyl groups, a C1-4 alkyl or alkoxy group, R3 and R4 independently of one another represent hydrogen or a C1-4 alkyl group, A is a >CHR6- or a >C=O- group, where R6 is hydrogen or a C1-4 alkyl group, and R5 is hydrogen or a C1-4 alkyl group, or salts thereof as substantive dyes in hair-dyeing compositions. When the substituent groups in formula I represent one of the combinations I-IV shown in the table below, the compounds are novel and are useful in hair-dyeing compositions. -R1 R2 R3 R4 R5 A -I: H NO2 H CH3 H CH2 -II: H NO2 CH3 CH3 H CH2 -III: NH2 NO2 H H H CH2 -IV: H NO2 H H CH3 CH2. -

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