C-RING-SUBSTITUTED PREGN-4-ENE-21,17-CARBOLACTONE, AND PHARMACEUTICAL PREPARATIONS COMPRISING THE LATTER.

摘要

The present invention relates to C-ring-substituted pregn-4-ene-21,17-carbolactones of the general formula I in which R6,7 is an α- or β-methylene and R9 is a hydrogen atom and R11 is a bromine, chlorine or fluorine atom or R9 and R11 together are a bond. The novel compounds are gestagenic antimineralocorticoids.