| abstract |
The invention relates to 15,16-methylene-17-hydroxy-19-nor-21-carboxylic acid-steroid γ-lactone derivatives with the general chemical formula I, and R 4 , R 6a , R 6b , R 7 and Z have the meanings stated in claim 1 , and their solvates, hydrates, stereoisomers and salts. The invention further relates to the use of these derivatives for the production of a medicinal product for oral contraception and for the treatment of pre-, peri- and postmenopausal complaints and medicinal products that contain said derivatives. The derivatives according to the invention have a progestational and in preferred cases additionally an antimineralocorticoid and neutral to slightly androgenic action. |