Process for the preparation of substituted 2,4-diamino-6-fluoro-

Details Process for the preparation of substituted 2,4-diamino-6-fluoro- Process for the preparation of substituted 2,4-diamino-6-fluoro-

1990-05-03

1992-02-25

Lee, Mary C.

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

Organic compounds

Azo

534618, 534635, 534637, 534638, 540126, 544 76, 544208, C09B 62085, C09B 6209, C09B 1900, C07D25150

Patent

active

050915150

ABSTRACT:
A new process for the preparation of substituted 2,4-diamino-6-flurotriazines of the formula ##STR1## in which the substituents have the meanings given in the description, comprises reacting ammonium salts of the formula ##STR2## in an aqueous medium at pH values of about 2.5-10 with 2,4,6-trifluorotriazine in a continuous process. The reaction products can be converted to dyestuffs without isolating the intermediates.

REFERENCES:
patent: 4189570 (1980-02-01), Bonometti et al.
patent: 4261889 (1981-04-01), Seiler et al.
patent: 4294580 (1981-10-01), Henk et al.
patent: 4556706 (1985-12-01), Hegar et al.
patent: 4614818 (1986-09-01), Dritz et al.
patent: 4740597 (1988-04-01), Frank et al.
patent: 4906737 (1990-03-01), Seiler et al.
Abstract of JP 62-148,473.
Abstract of JP 55-102,574.

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