Substituted 1,3-diaminobenzenes, processes for their preparation

Details Substituted 1,3-diaminobenzenes, processes for their preparation Substituted 1,3-diaminobenzenes, processes for their preparation

1991-02-08

1992-01-07

Lieberman, Paul

Bleaching and dyeing; fluid treatment and chemical modification

Dyeing involving animal-derived natural fiber material ,...

Hair dyeing

8406, 8408, 8409, 8412, 8414, 8416, 8425, 8435, 424 70, A61K 713

Patent

active

050787489

ABSTRACT:
Compounds of formula I are disclosed: ##STR1## and their salts with inorganic and organic acids, wherein either X denotes H and Y denote OR or HNR, or X denotes OR or NHR and Y denotes H, and R represents hydroxy(C.sub.2 -C.sub.3) alkyl, 2,3-dihydroxypropyl, methoxy(c.sub.2 -C.sub.3) alkyl, tetrahydrofurylmethyl or tetrahydropyrylmethyl. Processes are described for the preparation of compounds of formula I as well as aqueous coloring agents for keratin fibers, such as fur and human hair, containing at least one compound of formula I as the coupler and at least one developing component, as well as customary additives and auxiliaries.

REFERENCES:
patent: 4774075 (1988-09-01), Lang et al.
patent: 4985955 (1991-01-01), Grollier et al.

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