| abstract |
The invention relates to 15,16-methylene-17-(1′-propenyl)-17-3′-oxidoestra-4-en-3-one derivatives with the general chemical formula I, where the Z, R 4 , R 6a , R 6b , R 7 and R 18 have the meanings stated in claim 1 , and solvates, hydrates and salts thereof, including all crystal modifications and all stereoisomers of these compounds. The invention also relates to the use of these derivatives for the production of a drug for oral contraception and for the treatment of pre-, peri- and postmenopausal problems and drugs which contain such derivatives, in particular use in the aforesaid indications. The derivatives according to the invention have a progestational and in preferable cases also an antimineralcorticoid and neutral to slight androgenic activity. |