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CEUTICAL COMPOSITIONS 10,19-DIHYDRO-VITAMIN D DERIVATIVES PREPARATION AND PHARMA
CEUTICAL COMPOSITIONS 10,19-DIHYDRO-VITAMIN D DERIVATIVES PREPARATION AND PHARMA
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机译:树脂组合物10,19-二维生素D衍生物的制备和药物
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摘要
A process for the preparation of 5,6-cis- and 5,6-trans-10,19-dihydro-vitamin D derivatives which comprises hydrogenating a corresponding vitamin D compound in the presence of a ligand-coordinated homogeneous transition metal catalyst whereby the C-19 methylene group of the vitamin D compound is converted into a methyl group.
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