Synthesis of 3β,14-dihydroxy-5β,14β-pregnan-20-one C-3 derivatives: ozonolysis of digitoxin and digitoxigenin and their derivatives followed by zinc–acetic acid reduction to the C-21 methyl ketone.

Autor: Templeton, John F., Ling, Yangzhi, Jin, Jichun, Boehmer, Mark A., Zeglam, Talal H., LaBella, Frank S.

Publikováno v: Journal of the Chemical Society, Perkin Transactions 1 (0300922X); Apr1991, Issue 4, p823-829, 7p