3-Methoxy-1′-phenyl-4′β,5-dihydro-1H-pyrazolo[4′,3′:16,17]estra-1,3,5(10)-triene
Abstract
The regio- and stereochemistry of the title compound, C26H30N2O, has been established by X-ray analysis. The configuration of the stereogenic centre at C-16 proved to be S and the H atom at C-16 adopts the β position.