Abstract
3-Desoxy-20-oxo-19-nor-pregnacaliferol (
6a) and its 2-oxo analog
6c were prepared from 22-acetoxy-Grundmann's ketone
1 and the corresponding (cyclohexylidene)ethyl phosphine oxides
2a, b and their binding to the progesterone receptor examined.
3-Desoxy- 20-oxo-19-nor-pregnacalciferol and its 2-oxo analog 3-Desoxy-2, 20-dioxo-19-nor-pregnacalciferol was prepared from 22-acetoxy Grundmann's ketone and the corresponding (cyclohexylidene)ethyl phosphine oxides and their binding to the progesterone receptor examined.