pregn-4 eno-21, 17-carbolactonas substituídas no anel c e preparados farmacêuticos contendo as mesmas

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 &bgr;-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 progestational antimineralocorticoids.