Method for preparing substituted dichlorotriazines

Details Method for preparing substituted dichlorotriazines Method for preparing substituted dichlorotriazines

1992-09-17

1993-07-20

Ford, John M.

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

Organic compounds

Four or more ring nitrogens in the bicyclo ring system

C07D25126

Patent

active

052295133

ABSTRACT:
Substituted dichlorotriazines are prepared by the reaction of a suitable hydroxy compound with cyanuric chloride in a substantially non-polar organic solvent, in the presence of an aqueous alkali metal hydroxide solution having a concentration in the range of about 1-20% by weight and a phase transfer catalyst. The phase transfer catalyst employed is a tetraalkylammonium or tetraalkylphosphonium salt free from aromatic substituents and wherein the alkyl groups contain 3-5 carbon atoms. Hydrophilic phase transfer catalysts, in which the alkyl groups contain up to about 5 carbon atoms, are preferred.

REFERENCES:
patent: 4104250 (1978-08-01), Boyer
patent: 4271299 (1981-06-01), Hentschel et al.
patent: 4284772 (1981-08-01), Hoentjen et al.
patent: 4895945 (1990-01-01), Brown et al.

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