Patent ID: 6020490
Filing Date: 2000-02-01
Classification: C07D,C08K

Abstract:
A process for the preparation of a 2-hydroxyphenyltriazine of the formula (1) ##STR6## which comprises reacting a salicyl compound of the formula (2) ##STR7## with a benzamidine of formula (3) ##STR8## to form the compound of the formula (1) in a one-step process in the presence of a base selected from the group consisting of alkali metal alkylates, trialkylamines, aqueous ammonia and ammonia gas,in which formulae aboveX.sub.1 is halogen or --OR.sub.5,R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are each independently of one another hydrogen, halogen, hydroxy, C.sub.1 -C.sub.18 alkyl or C.sub.1 -C.sub.18 alkoxy,R.sub.5 is C.sub.1 -C.sub.3 alkyl, andHal.sub.1 is halogen.