2-SUBSTITUTED VITAMIN D DERIVATIVES

摘要

The object of the present invention is to synthesize novel vitamin D derivatives.;According to the present invention, there are provided vitamin D derivatives represented by the following general formula (1): wherein R₁ and R₂ may be the same or different, and each represents a straight chain or branched chain alkyl group optionally substituted by a hydroxyl group, and R₃ represents a straight chain or branched chain alkyl group optionally substituted by a hydroxyl group.