Document Type and Number:
Japanese Patent JPS5037664
Kind Code:
B1
Abstract:
The invention relates to novel 16-methylene-17 alpha -acyloxy (or etherified hydroxy)-9 beta , 10 alpha -steroid compounds of the pregnane series which have an exceptionally high endocrinological activity, such as a very strong progestational and anti-ovulatory activity. After the compounds have been worked up into pharmaceutical preparations they may be used inter alia as contraceptives or for maintaining pregnancy. Highly active substances according to the invention are, for example, 6-chloro-16-methylene-17 alpha -hydroxy-9 beta , 10 alpha -pregna-4,6-diene-3,20-dione 17-acetate and 6-fluoro-16-methylene-17 alpha -hydroxy-9 beta , 10 alpha -pregna-4,6-diene-3,20-dione 17-acetate.
More Like This:
Application Number:
JP1124571A
Publication Date:
December 04, 1975
Filing Date:
March 04, 1971
Export Citation:
International Classes:
C07J15/00; A61K9/00; A61K31/57; C07J5/00; C07J53/00; A61K; C07C; (IPC1-7): C07J15/00