Patent ID: 8202985
Filing Date: 2012-06-19
Classification: C07H,Y02P

Abstract:
1. A compound selected from structures I through III: wherein R a hydroxyl protecting group and wherein R a hydroxyl protecting group and with the proviso that exactly one of R wherein R wherein R wherein X is selected from the group consisting of H, a halogen group, an alkoxy group, a substituted alkoxy group, an aryloxy group, a substituted aryloxy group, a substituted amino group and a protected hydroxyl group wherein said substituted groups are substituted with one or more substituents independently selected from a carbonyl, a thiocarbonyl, an alkoxy, a phosphoryl, a halo, cyano, nitro, a sulfonyl and a silyl; and wherein APG is an exocyclic amino protecting group selected from Group I and Groups III through X: wherein Z is selected from the group consisting of sulfur (S) and oxygen (O); wherein R is selected from the group consisting of an alkyl group, a substituted alkyl group, an aryl group, and a substituted aryl group, wherein said substituted groups are substituted with one or more substituents independently selected from a carbonyl, a thiocarbonyl, an alkoxy, a phosphoryl, a halo, cyano, nitro, a sulfonyl and a silyl; wherein R′ and R″ are independently selected from the group consisting of a halogen group, an alkyl group, a substituted alkyl group, an aryl group, and a substituted aryl group, wherein said substituted groups are substituted with one or more substituents independently selected from a carbonyl, a thiocarbonyl, an alkoxy, a phosphoryl, a halo, cyano, nitro, a sulfonyl and a silyl; wherein R wherein R wherein R wherein at least one of R