VITAMIN D ANALOGS, METHOD FOR THEIR OBTAINING, PHARMACEUTICAL COMPOSITION Russian patent published in 2002 - IPC

FIELD: medicine, pharmaceutics. SUBSTANCE: the innovation refers to vitamin D analogs of the general formula I, where X hydroxy, R¹ and R², similar or distinct H, CH₃, C₂H₅ or their cyclopropyl; Q methylene, ethylene, tri- or tetramethylene not obligatory substituted with hydroxygroup, or group -OR³, where R³-H methyl or ethyl; Y single bond or C₁-C₂- hydroxycarbylene. The method to obtain formula I is, also, described. Compounds are of capacity to induce abnormal differentiation and/or proliferation of cells. EFFECT: higher efficiency. 9 cl, 3 tbl