Patent ID: 6423752
Filing Date: 2002-07-23
Classification: A61P,C07C

Abstract:
A compound of Formula 5: whereinR is H, acyl, alkyl, allyl or benzyl group R2, 1R2, R4 to R8, R9, 1R9, R10, 1R10, R11 to R15 are each independently selected from the group consisting of: H, halo, hydroxy, alkoxy, aryloxy, acetoxy, carboxy, alkyl carbonyl, hydro carbonyl, amino, amido, alkylamino, hydroxylamino, a sulfonic acid group, a sulfoxide group, a sulfone group, optionally substituted C1-C10 alkyl and optionally substituted C3-C8 cycloalkyl; wherein any one or more of R2, 1R2; R9, 1R9; and R10, 1R10 may together optionally represent oxo, and wherein R1 and 1R1 are &boxH;O or when one of R1 and 1R1 is H then the other is OH.