A compound having the structure:
wherein n is an integer from 1-5; each of R1 and R2 independently is optionally substituted C1-C6 alkyl; each of W and X is independently hydrogen or C1-C6 alkyl; Y is O, S or NR3 where R3 is hydrogen, C1-C6 alkyl or a protective group; and Z is a CD ring structure of the formula
a steroid ring structure of the formula
or a vitamin D structure of the formula
wherein each of the structures of Z optionally have one or more protected or unprotected substituents and/or one or more protective groups, and wherein any ring of the structure of Z may optionally have one or more unsaturated bonds.
具有以下结构的化合物
其中 n 是 1-5 的整数;R1 和 R2 各自独立地是任选取代的 C1-C6 烷基;W 和 X 各自独立地是氢或 C1-C6 烷基;Y 是 O、S 或 NR3,其中 R3 是氢、C1-C6 烷基或保护基团;Z 是式 CD 环结构、式类
固醇环结构或式
维生素 D 结构,其中 Z 的每个结构任选具有一个或多个受保护或不受保护的取代基和/或一个或多个保护基团,Z 结构的任何环可任选具有一个或多个不饱和键。