Patent ID: 7217815

Claim:
A compound accordine to Formula 1 wherein Z is selected from the group consisting of alkyl, haloalkyl, hydroxyalkyl, O-alkyl, O-haloalkyl, O-hydroxyalkyl, alkenyl, haloalkenyl, hydroxyalkenyl, alkynyl, haloalkynyl, hydroxyalkynyl, and CN; R 3 and R 4 are independently selected from the group consisting of H, alkyl, substituted alkyl, cycloalkyl, alkoxy, alkaryl, aryl, heteroaryl, substituted aryl, acyl, substituted acyl, and alkylsulfonyl; and R is selected from the group consisting of H, wherein BR 1 and B′R 2 are independently selected from the group consisting of OCH 2 CH 2 SC(═O)t-butyl, OCH 2 OC(═O)iPr, and NH-acyl, where acyl is an amino acid acyl group; V, W, and W′ are independently selected from the group consisting of hydrogen, alkyl, substituted alkyl, alkenyl, substituted alkenyl, alkynyl, substituted alkynyl, aryl, substituted aryl, alkaryl, and substituted alkaryl; and B and B′ are independently O or NH; and Z′ is hydrogen, CHWOH, CHWOCOW′, SW, or CH 2 aryl.