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Document Type and Number:
Japanese Patent JPS50105659
Kind Code:
A
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.

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Application Number:
JP14336174A
Publication Date:
August 20, 1975
Filing Date:
December 13, 1974
Export Citation:
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International Classes:
C07J15/00; A61K9/00; A61K31/57; C07J5/00; C07J53/00; A61K; C07C; (IPC1-7): A61K31/57; C07J5/00



 
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