abstract |
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 a- or ß-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. |