Quinonediimine intermediates for indoanilines

Details Quinonediimine intermediates for indoanilines Quinonediimine intermediates for indoanilines

1978-05-30

1981-01-20

Garner, Vivian

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

424 47, 424 70, 424 71, 424DIG1, 424DIG2, 8405, 8414, 8435, C07C11912

Patent

active

042461812

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: 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.

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