Quaternary diaminobenzoquinones

Details Quaternary diaminobenzoquinones Quaternary diaminobenzoquinones

1980-05-09

1981-04-07

Jiles, Henry R.

Organic compounds -- part of the class 532-570 series

Organic compounds

Four or more ring nitrogens in the bicyclo ring system

544 86, 544130, 544165, 546191, 546240, 260396R, C07D29510, C07C 9720

Patent

active

042607493

ABSTRACT:
2,5-diamino-1,4-benzoquinones are used in the production of hair dye compositions and can be prepared by condensing a corresponding 3-amino-4-methoxy phenol derivative on one of a corresponding hydroxy aniline or phenylenediamine derivative, a corresponding benzoquinone imine derivative or a corresponding nitroso derivative.

REFERENCES:
patent: 3114755 (1963-12-01), Covey

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