Patent ID: 6803381
Filing Date: 2004-10-12
Classification: C07C,C07D

Abstract:
A compound of formula I whereinR1 is hydrogen or lower alkyl; R2, R2â€² are each independently hydrogen, lower alkyl, lower alkoxy, halogen or trifluoromethyl; X is O; A1/A2 are phenyl; B is a group of formula â€ƒwherein R3 is lower alkyl, lower alkenyl, lower alkinyl, benzyl, lower alkyl-cycloalkyl, lower alkyl-cyano, lower alkyl-pyridinyl, lower alkyl-lower alkoxy-phenyl, lower alkyl-phenyl which is optionally substituted by lower alkoxy, or phenyl which is optionally substituted by lower alkoxy, or lower alkyl-thienyl, cycloalkyl, lower allyl-trifluoromethyl or lower alkyl-morpholinyl; and Y is â€”Oâ€”, â€”Sâ€” or a bond; or a pharmaceutically acceptable salt thereof.