VITAMIN D ANALOG: RAK, METHODS AND USES THEREOF

摘要

Compounds of formula (IA) or (IB) are provided where X₁, X₂ and X₃ are independently selected from H or hydroxy protecting groups and R₁ is selected from straight or branched chain alkyl groups having from 1 to 8 carbon atoms; straight or branched chain alkenyl groups having from 2 to 8 carbon atoms; straight or branched chain hydroxy-substituted alkyl groups having from 1 to 8 carbon atoms; straight and branched chain hydroxy-substituted alkenyl groups having from 2 to 8 carbon atoms. Such compounds are used in preparing pharmaceutical compositions and are useful in treating a variety of biological conditions.