Patent ID: 6353109
Filing Date: 2002-03-05
Classification: C07D

Abstract:
A compound of the formula: or a pharmaceutically acceptable non-toxic salt thereof wherein:W is aryl or 2-, 3-, or 4-pyridyl, each of which is optionally substituted with up to five groups selected independently from halogen, cyano, hydroxy, alkyl or cycloalkyl having 3-7 carbon atoms, amino or mono- or dialkylamino where each alkyl is independently lower alkyl or cycloalkyl having 3-7 carbon atoms, alkoxy or cycloalkyl alkoxy having 3-7 carbon atoms, or NR1COR2, COR2, CONR1R2 or CO2R2 where R1 and R2 are the same or different and represent hydrogen or alkyl or cycloalkyl having 3-7 carbon atoms; and T is halogen, hydrogen, hydroxyl, amino or alkoxy; X is hydrogen, hydroxyl or alkyl; and R3 and R4 are hydrogen or C1-3 alkyl, provided that not both R3 and R4 are hydrogen.