Novel A-ring homodimeric C-3-carbamate analogues of 1α,25-dihydroxyvitamin D3: Synthesis and preliminary biological evaluation Original Research Article

The synthesis of a new class of vitamin D3 analogues in which two units of 1α,25-dihydroxyvitamin D3 are linked at the C-3 position by a dicarbamate functionality of variable length is described. The analogues demonstrated no affinity for the vitamin D receptor and possessed no antiproliferative or transactivating properties.