Patent ID: 6590083
Filing Date: 2003-07-08
Classification: A61P,C07H,Y02P

Abstract:
A compound of the formula wherein:X is hydrogen or halide; R2 is hydrogen, acyl, or a hydroxy protecting group; R6 is hydrogen, or â€”ORa wherein Ra is a substituted or unsubstituted moiety selected from the group consisting of aryl(C1-C10)alkyl, aryl(C2-C10)alkenyl, aryl(C2-C10)alkynyl, heterocyclo(C1-C10)alkyl, heterocyclo(C2-C10)alkenyl, and heterocyclo(C2-C10)alkynyl; R13 is hydrogen or a substituted or unsubstituted moiety wherein the moiety is selected from the group consisting of methyl; C3-C10 alkyl, C2-C10 alkenyl, C2-C10 alkynyl, aryl, heterocyclo, aryl(C1-C10)alkyl, aryl(C2-C10)alkenyl, aryl(C2-C10)alkynyl, heterocyclo(C1-C10)alkyl, heterocyclo(C2-C10)alkenyl, and heterocyclo(C2-C10)alkynyl; and, R is hydrogen; or the pharmaceutically acceptable salts, esters or pro-drug forms thereof.