Patent ID: 6638946
Filing Date: 2003-10-28
Classification: A61P,C07D

Abstract:
A compound selected from those of formula (I): wherein:A represents pyridine, pyridinium, or piperidine, R2 represents hydrogen and R3 represents hydroxy, or R2 and R3 together form oxo, R1 and R4 together with the two carbon atoms carrying them, form a ring containing 6 carbon atoms, R5 represents a group of formula (II): wherein Râ€²1, Râ€²2, Râ€²3 and Râ€²4 have the same meaning as R1, R2, R3 and R4 respectively, R6 represents hydrogen or linear or branched (C1-C6)alkyl, the group R6 being present or absent depending on the nature of the ring A, its enantiomers and diastereoisomers, and addition salts thereof with a pharmaceutically-acceptable acid or base.