Sulfur-containing nitroaminobenzene dyes, process and hair dye c

Details Sulfur-containing nitroaminobenzene dyes, process and hair dye c Sulfur-containing nitroaminobenzene dyes, process and hair dye c

1987-10-30

1989-01-24

Lieberman, Paul

Bleaching and dyeing; fluid treatment and chemical modification

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

Hair dyeing

8428, 8429, 564341, 564367, A61K 713, C07C14942

Patent

active

047999349

ABSTRACT:
Novel sulfur containing nitroamino benzene dyes of formula: ##STR1## and salts thereof wherein (a) R.sub.1 and R.sub.2 are the same or different and are selected from the group consisting of alkyl, hydroxyalkyl, polyhydroxyalky, aminoalkyl, monoalkylamioalkyl and dialkylaminoalkyl,

REFERENCES:
patent: 1940757 (1933-12-01), Lehman et al.
patent: 3817995 (1974-06-01), Bugaut et al.
Chemical Abstracts, vol 67, No. 15, 1967, Abstract No. 73555c, Lecolier et al, "New Benzimidazoles with Morphine Activity".
Chemical Abstracts, vol. 25, No. 23, 1982, Abstract No. 199189d, Plakidin et al, "Reaction of 2,4-Disubstituted Chlorobenzenes".
C. A. Shand et al, "The Consugated N,N' (Polyenediylidene)Bis-Sulphenamide Chromophore", J. Chem. Res. (M) (1982, pp. 1601-1607).

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