p-phenylenediamines, process for preparation thereof, dyeing com

Bleaching and dyeing; fluid treatment and chemical modification – Dyeing involving animal-derived natural fiber material ,... – Hair dyeing

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8416, 564440, C07C 47546, A61K 713

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049799614

ABSTRACT:
The invention relates to p-phenylenediamines of formula: ##STR1## in which R.sub.1 denotes an alkyl, hydroxyalkyl or polyhydroxyalkyl radical and R.sub.2 denotes a hydrogen atom or an alkyl radical, as well as the corresponding salts with acids, and to the compositions and the process for dyeing keratinous fibers, especially hair, employing them.

REFERENCES:
Journal of Medicinal Chemistry, vol. 17, No. 9, 1974, pp. 918-922; A. H. Soloway et al.: "Chemoimmunotherapy of cancer. 1."

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