Process for producing indoanilines and keratin fiber dye composi

Details Process for producing indoanilines and keratin fiber dye composi Process for producing indoanilines and keratin fiber dye composi

1980-08-26

1987-06-23

Lone, Werren B.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07C 9718

Patent

active

046751300

ABSTRACT:
A two-stage process for producing indoanilines includes oxidizing in a first stage a paraphenylene diamine to a quinone diimine and in a second stage condensing the said quinone diimine with a phenolic compound. The resulting indoanilines can be incorporated into a dye composition for keratinous fibers, especially, human hair.

REFERENCES:
patent: 1691517 (1923-11-01), Goeschke
patent: 2472911 (1949-06-01), Martin
patent: 3036875 (1962-05-01), Schlack et al.
patent: 3078283 (1963-02-01), Hay
patent: 3563684 (1971-02-01), Charle et al.
Chem. Abstracts, 75:755762.
Chem. Abstracts, 24:3944.
Chem. Abstracts, 41:2901h.
Corbett et al, J. Chem. Soc. (B)(London), May, 1970 pp. 1418-1427.
Suzawa et al, Chemical Abstracts, 57:1109g (1962).

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