Title of article :
An efficient enantioselective synthesis of 1α,25-dihydroxyvitamin D3 A-ring synthon
Author/Authors :
Koiwa، نويسنده , , Masakazu and Hareau، نويسنده , , Georges P.J and Sato، نويسنده , , Fumie، نويسنده ,
Issue Information :
هفته نامه با شماره پیاپی سال 2000
Abstract :
The asymmetric synthesis of the A-ring of 1α,25-dihydroxyvitamin D3, (Z)-2, from 5-tert-butyldimethylsiloxy-2-cyclohexenone [(S)-1], is described where an intramolecular lactonization using cat. scandium triflate is the key reaction.
Keywords :
scandium and compounds , cyclization , vitamins , asymmetric synthesis
Journal title :
Tetrahedron Letters
Journal title :
Tetrahedron Letters