Indamines for dyeing keratinic fibers

Details Indamines for dyeing keratinic fibers Indamines for dyeing keratinic fibers

1975-02-25

1976-10-05

Garner, Vivian

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

8 10, 8 101, 8 102, 8 11, 260270R, 26029377, 26029379, 424 47, 424 71, 424DIG1, 424DIG2, C07C11914

Patent

active

039844439

ABSTRACT:
Indamine having the formula ##SPC1##
Wherein R and R' each independently represent a member selected from the group consisting of hydrogen, lower alkyl having 1-4 carbon atoms, lower alkoxy having 1-4 carbon atoms, amino, acylamino wherein the acyl moiety has 1 to 4 carbon atoms and hydroxy, with the proviso that one, but not both of R and R' is said amino, acylamino or hydroxy; R.sub.1 and R.sub.2 each independently represent a member selected from the group consisting of lower alkyl having 1-4 carbon atoms and lower alkyl having 1-4 carbon atoms and substituted with a member selected from the group consisting of hydroxy, acylamino wherein the acyl moiety has 1 to 4 carbon atoms, carbamyl, piperidino, benzoylamino and alkylsulfonamido wherein the alkyl moiety has 1 to 4 carbon atoms; R.sub.3, R.sub.4, R.sub.5, R.sub.6, R.sub.7 and R.sub.8 each independently represent a member selected from the group consisting of hydrogen, lower alkyl having 1-4 carbon atoms and lower alkoxy having 1-4 carbon atoms, and the salts formed by these indamines with organic or inorganic acids, in particular, their acetates, hydrochlorides, hydrobromides, persulfates, perchlorates and the double zinc salts of these compounds, which can, of course, be in a tautomeric form of that represented by formula (I), are usefully employed for dyeing keratinous fibers, and, in particular, human hair.

REFERENCES:
chem. Abstracts, 15:71.sup.8.
Chem. Abstracts 23:2962.sup.7.
Chem. Abstracts 42:8796g.

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