Analogifremgangsmåde til fremstilling af 17a-hydroxy-6,7-methylen-3-oxo-D-homo-17aalfa-pregna-4,16-dien-21-carboxylsyrer eller de tilsvarende lactoner eller salte deraf.

摘要

D-Homopregnanes of the formula wherein X is hydrogen, Y is hydroxy or X and Y taken together denote an oxygen to carbon bond and the dotted line in the 1,2-position of the A-ring together with the corresponding solid line denotes a single or double carbon-to-carbon bond or a pharmaceutically acceptable basic addition salt thereof when Y is hydroxy having diuretic activity are disclosed.