The present invention provides novel D-ring and side-chain analogs of 1&agr;,25-dihydroxyvitamin D
3
, compositions comprising these compounds and methods of using these compounds as selective inhibitors of CYP24. In particular, the compounds of the invention are useful for treating diseases which benefit from a modulation of the levels of 1&agr;,25-dihydroxyvitamin D
3
, for example, cell-proliferative disorders.
本发明提供了1α,25-二羟基
维生素D3的新型D环和侧链类似物,包括这些化合物的组合物以及将这些化合物用作CYP24的选择性
抑制剂的方法。特别是,本发明的化合物对于治疗需要调节1α,25-二羟基
维生素D3
水平的疾病,例如细胞增殖性疾病,是有用的。