The invention provides (1,3)di-acylated vitamin D
3
analogs of cholecalciferol, substituted at carbon (20) with methyl or cyclopropyl wherein carbon (16) is a single or double bond, and carbon (23) is a single, double, or triple bond. Various alkyl or haloalkyl substitutions are incorporated at carbon (25). The invention provides pharmaceutically acceptable esters, salts, and pro-drugs thereof. Methods for using the compounds to treat vitamin D
3
associated states, and pharmaceutical compositions containing the compounds are also disclosed.
本发明提供了(1,3)二酰化胆
钙化醇的
维生素D3类似物,其中碳(20)上有甲基或环丙基取代,碳(16)为单键或双键,碳(23)为单键、双键或三键。在碳(25)上包含各种烷基或卤代烷基取代基。本发明还提供了药学上可接受的酯、盐及其前药。本发明还揭示了使用这些化合物治疗
维生素D3相关疾病的方法以及含有这些化合物的制药组合物。