Process for the manufacture of dihalogenotriazinylamino-naphthol

Details Process for the manufacture of dihalogenotriazinylamino-naphthol Process for the manufacture of dihalogenotriazinylamino-naphthol

1981-03-17

1982-11-30

Ford, John M.

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

Organic compounds

Four or more ring nitrogens in the bicyclo ring system

C07D25144

Patent

active

043616984

ABSTRACT:
Dihalogenotriazinylamino-naphthol compounds of th formula (1) ##STR1## in which the radicals X each mean fluorine, chlorine or bromine, R is hydrogen or alkyl of 1 to 4 C-atoms, M is hydrogen or the equivalent of a metal, and Z is hydrogen or a group of the formula --SO.sub.3 M with M having the abovementioned meaning, are prepared in water as reaction medium by reaction of an aminonaphthol compound of the formula (2) ##STR2## in which R, M and Z have the abovementioned meanings with a cyanuric halide compound of the formula (3) ##STR3## in which the radicals X have the abovementioned meanings, at pH 5 or smaller than 5 by introducing the aminonaphthol compound of the formula (2) in solid, undissolved form into the reaction, and carrying out the reaction in suspension.

REFERENCES:
patent: 1551095 (1925-08-01), Fritzsche et al.
patent: 2728761 (1955-12-01), Wallace et al.
patent: 3773827 (1973-11-01), Schundehutte

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