Dyestuff process

Details Dyestuff process Dyestuff process

1976-03-18

1977-04-05

Myers, Jane S.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

8 39C, C07C 8764

Patent

active

040161811

ABSTRACT:
A new overall method of producing chlorinated or brominated compounds of 2-(haloaryl)-4,5-diamino chrysazines from chrysazine without the need for isolation of intermediates at any point during the reaction; and to the novel products produced thereby, which products are good blue dyes having excellent build-up in heavy shades and are intended for dyeing cellulose acetate, cellulose triacetate, polyesters, and the like.

REFERENCES:
patent: 3265460 (1966-09-01), Hoare
patent: 3549667 (1970-12-01), Wunderlich et al.
patent: 3636008 (1972-01-01), Yamada et al.
patent: 3792970 (1974-02-01), Neeff
Chem. Abstracts, 69, 28596x (1968).
Pandhare et al., Indian Journal of Chemistry, vol. 9, pp. 1060-1063 (1971).
Houben, Das Anthracen und die Anthrachinone, p. 408 (1929).

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