Patent ID: 6878691
Filing Date: 2005-04-12
Classification: A61P,C07H

Abstract:
1. A compound represented by the formula: or its pharmaceutically acceptable salt, or ester, wherein R R R n=0, 1 or 2; R A and B taken together with the carbon atom to which they are attached are selected from: a) C═O; b) C═N—O—R c) C═N—O—Ar one of X and Y is hydrogen and the other is selected from: a) hydrogen; b) deuterium; c) —OH; d) —OR e) —NR alternatively, X and Y Taken Together with the Carbon Atom to which they are Attached are selected from: a) C═O; b) C═N—Q, wherein Q is selected from: L is selected from: a) —CH(OH)CH b) C c) C d) C W is —NR 20 R 21 , where R 20 and R 21 are each independently selected from: a) hydrogen; b) C c) C d) C e) R Z is selected from: a) hydrogen; b) methyl; or c) halogen; and R 2 ′ is hydrogen or R p , where R p is as previously defined.