626200-80-4Relevant articles and documents
Synthesis of A-ring synthon of 2α-substituted vitamin d3 analogues utilizing Grignard reaction towards methyl 2,3-anhydro-4,6-o-benzylidene-α-D-manno-pyranoside
Honzawa, Shinobu,Yamamoto, Yasuhiro,Hirasaka, Koshiro,Takayama, Hiroaki,Kittaka, Atsushi
, p. 327 - 338 (2007/10/03)
A concise route to the Trost A-ring precursor enyne for synthesizing 2α-substituted 1α,25-dihydroxyvitamin D3 (1) is described, in which the 2α-substituents could be introduced via addition reaction of Grignard reagent towards the sugar epoxide