Patent ID: 6376671
Filing Date: 2002-04-23
Classification: C07D

Abstract:
A benzaldehyde derivative represented by general formula (IIIa): (wherein R1 and R2 which may be the same or different, are hydrogen atoms, C3-8 cycloalkyl groups, optionally substituted C1-6 alkyl groups, optionally substituted aryl groups or form, together with the ring a condensed ring represented by formula which may be substituted with an optionally substituted C1-6 alkyl group, an amino group, a cyano group, a nitro group, a hydroxyl group, a halogen atom or a C1-5 alkoxy group, Aâ€² is â€”Bâ€²â€”Oâ€” or â€”Bâ€²â€”, and â€”Bâ€²â€” is a C1-6 alylene group) or a pharmaceutically acceptable salt thereof.