Diaminobenzoquinones

Details Diaminobenzoquinones Diaminobenzoquinones

1977-01-25

1978-04-11

Jiles, Henry R.

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

Organic compounds

Four or more ring nitrogens in the bicyclo ring system

544166, 26029376, 26029379, C07D21114, C07D29512

Patent

active

040840522

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: 3919265 (1975-11-01), Bugaut et al.
patent: 4023926 (1977-05-01), Bugaut et al.
Bugaut et al., "Chem Abstracts" vol. 80 (1974), No. 134937w.
Ghilardi et al., "Chem Abstracts" vol. 81 (1974) No. 29470m.

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