Patent ID: 6750360
Filing Date: 2004-06-15
Classification: A61K,A61P,C07C

Abstract:
A compound of the structural formula: wherein X is OR1;wherein R1 is (i) a hydrogen atom; or (ii) an alkyl of 1 to 8 carbon atoms, inclusive, which may be straight chain or branched; wherein Q1 is (C&boxH;O); wherein Q3 is O; wherein R2, R3, R4 are each hydrogen atoms; wherein Y1 or Y2 is â€”OH and the other is H; wherein R5 is â€”RaQaRb wherein Qa=â€”Oâ€”; wherein Ra is an alkylene of 0 to 6 carbon atoms, inclusive, which may be straight chain or branched; wherein Rb is either alkyl of 0 to 8 carbon atoms, inclusive, which may be straight chain or branched or a substituted phenyl; wherein R6 is a hydrogen atom; and pharmaceutically acceptable salts thereof.