Process for the preparation of 2-(2,4-dihydroxylphenyl)-4,6-bis(

Details Process for the preparation of 2-(2,4-dihydroxylphenyl)-4,6-bis( Process for the preparation of 2-(2,4-dihydroxylphenyl)-4,6-bis(

1996-12-03

1998-03-10

Ford, John M.

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

Organic compounds

Four or more ring nitrogens in the bicyclo ring system

C07D25124

Patent

active

057263108

ABSTRACT:
2-(2,4-Dihydroxyphenyl)-4,6-bis(2,4-dimethylphenyl)-s-triazine is prepared by reacting cyanuric chloride with m-xylene at a temperature of 0.degree.-110.degree. C. in the presence of a Lewis acid and at least one inert chlorinated aromatic solvent to give the intermediate 2-chloro-4,6-bis(2,4-dimethylphenyl)-s-triazine. This intermediate, without being isolated, is then reacted with resorcinol to give the final desired product 2-(2,4-dihydroxyphenyl)-4,6-bis(2,4-dimethylphenyl)-s-triazine in good yield.

REFERENCES:
patent: 3244708 (1966-04-01), Duenssenberger
patent: 3268474 (1966-08-01), Handy et al.
patent: 4092466 (1978-05-01), Fletcher
Helv. Chim Acta 33, 1365 (1950) Hirt et al.
Helv. Chim Acta 55, 1575, 1589 (1972).

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