Efficient and versatile synthesis of novel 2alpha-substituted 1alpha,25-dihydroxyvitamin D(3) analogues and their docking to vitamin D receptors.
Suhara Y, Nihei KI, Kurihara M, Kittaka A, Yamaguchi K, Fujishima T, Konno K, Miyata N, Takayama H, J Org Chem, 2001 Dec 28 - link