New tetra-aminopyrimidine derivatives and their use in hair-dyei

Details New tetra-aminopyrimidine derivatives and their use in hair-dyei New tetra-aminopyrimidine derivatives and their use in hair-dyei

1987-07-29

1988-05-24

Lieberman, Paul

Bleaching and dyeing; fluid treatment and chemical modification

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

Hair dyeing

8423, 544333, 544335, A61K 713

Patent

active

047456523

ABSTRACT:
New 2,4,5,6-tetra-aminopyrimidine derivatives corresponding to the following general formula ##STR1## in which R.sup.1 is a group of the formula --NH--(CH.sub.2).sub.n --NH--, where n=2-4, a group of the formula --NH--CH.sub.2 --CH(OH)--CH.sub.2 --NH-- or a group of the formula ##STR2## R.sup.2 and R.sup.3 independently of one another represent hydrogen, chlorine or a group of the formula --OR.sup.4 where R.sup.4 is a C.sub.1 -C.sub.4 alkyl group and A is a CH group or a nitrogen atom, and salts thereof. The compounds are suitable as developer components for oxidation hair dyes which, in conjunction with a number of standard coupler compounds, form a wide range of brilliant colors with high absorptive power on human hair and good fastness properties.

REFERENCES:
patent: Re30199 (1980-01-01), Rose et al.
patent: 4213758 (1980-07-01), Rose et al.

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