Patent ID: 6433004
Filing Date: 2002-08-13
Classification: A61P,C07D

Abstract:
Compounds of the general formula (I) in whichR1 and R2 together represent radicals of the formulae which are optionally substituted up to 3 times by hydroxyl,R3 represents hydrogen, (C1-C6)-alkyl or represents (C2-C6)alkenyl andR4 represents a radical of the formula âˆ’CH2â€”R5, in whichR5 represents aryl having 6 to 10 carbon atoms or benzothiophene which is attached via the heterocycle, where the ring systems are optionally mono- to polysubstituted by identical or different substituents from the group consisting of halogen and (C1-C6)-alkyl, orR3 represents (C3-C5)-alkenyl andR4 represents hydrogen; and their pharmaceutically acceptable salts.