Patent ID: 6268362
Filing Date: 2001-07-31
Classification: A61P,C07D

Abstract:
A compound of formula 1 ##STR19##wherein R, represents:hydrogen,hydroxy,a group of formula OR.sub.7 wherein R.sub.7 is C.sub.1 -C.sub.6 alkyl, C.sub.2 -C.sub.6 alkenyl;R.sub.2 represents:hydrogen,hydroxy,diethylamino, piperidino, tetrahydropyridino or morpholino;and either R.sub.3, taken alone, represents hydrogen or hydroxy, and R.sub.4 and R.sub.5, when taken alone, independently represent hydrogen, hydroxy or, taken together with the carbon atom, represent a carbonyl group;or R.sub.3 and R.sub.4, taken together, represent a group of formula ##STR20##wherein R.sub.8 and R.sub.9 represent a C.sub.1 -C.sub.6 alkyl and R.sub.5 represents hydrogen;R.sub.6 represents:hydrogen ora phenyl group, optionally substituted by methyl, methoxy or halogen,and the pharmaceutically acceptable salt thereof.