Patent ID: 6057444
Filing Date: 2000-05-02
Classification: A61K,A61Q,C07D

Abstract:
A process for the preparation of an aryl-1,3-5-triazine compound of formula (1), which comprises reacting an aldehyde compound of formula (2) with biuret, compound of formula (3), in hydrochloric acid or with MeSO.sub.3 H (1.sup.st reaction step), then oxidising the resulting compound of formula (4) to the compound of formula (5) or (6) (2.sup.nd reaction step) and subsequently chlorinating the compound so obtained to the compound of formula (1) (3.sup.rd reaction step) according to the following scheme: ##STR21## in which above scheme R.sub.1 and R.sub.2 are each independently of the other hydrogen, hydroxy or C.sub.1 -C.sub.5 alkoxy.