Patent ID: 6489473
Filing Date: 2002-12-03
Classification: A61P,C07D

Abstract:
A compound having the formula (XIXa) or (XIXb): wherein:Râ€²1 is hydrogen, C1-C8 linear or branched alkyl, C3-C8 cycloalkyl, C4-C8 cycloalkyl-alkyl, C7-C22 aralkyl which is optionally substituted by halogen, C1-C4 alkyl, or C1-C4 alkoxy or a combination thereof; or C6-C14 aryl, which is optionally substituted by halogen, C1-C4 alkyl or C1-C4 alkoxy or a combination thereof; and R2 is hydrogen or C1-C8 linear or branched alkyl.