Synthesis of 1A-Fluoro-25-Hydroxy-16-23E-Diene-26,27-Bishomo-20-Epi-Cholecalciferol
申请人:Uskokovic Milan R.
公开号:US20090137828A1
公开(公告)日:2009-05-28
The invention provides a method of producing 20-methyl vitamin D3 compounds of formula (I). The method includes allylic and olefin oxidation, de-carbonylation, carbonyl reduction, fluoride substitution, epoxide deoxygenation, and Wittig-type couplings.