Process for the preparation of 1,3,5-triazines

Details Process for the preparation of 1,3,5-triazines Process for the preparation of 1,3,5-triazines

1994-09-27

1996-08-13

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

055458360

ABSTRACT:
The invention relates to a simple, one-step process for the preparation of triazines of formula ##STR1## which comprises reacting the benzonitrile of formula (I) ##STR2## with the benzonitrile of formula (II) ##STR3## in the temperature range from 180.degree. to 260.degree. C., in which formulae above R.sub.1 and R.sub.2 are as defined in claim 1.
The compounds prepared by this process find utility as UV absorbers or as starting materials for the preparation of UV absorbers.

REFERENCES:
patent: 3113940 (1963-12-01), Johns et al.
patent: 3113942 (1963-12-01), Johns et al.
patent: 3294798 (1966-12-01), Schaefer et al.
patent: 3932402 (1976-01-01), Norell
patent: 5288867 (1994-02-01), Reinehr et al.
patent: 5288868 (1994-02-01), Reinehr et al.
patent: 5298030 (1994-03-01), Burdeska et al.
Johns et al, J. Org. Chem. 27, 592 (1962).

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