ES297137A1 - Procedure for the preparation of 17 alpha-etoxy-6-chlorine-6-dehydro-progesterone (Machine-translation by Google Translate, not legally binding)
- Google Patents
Procedure for the preparation of 17 alpha-etoxy-6-chlorine-6-dehydro-progesterone (Machine-translation by Google Translate, not legally binding)
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Merck KGaA
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E Merck AG
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Publication of ES297137A1publicationCriticalpatent/ES297137A1/en
Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Abstract
Process for the preparation of 17alpha-ethoxy-6-chloro-6-dehydro-progesterone, characterized in that 6-chloro-6-dehydro-17alpha-hydroxy-progesterone is added in position 17 in a manner known per se, or treats 17alpha-ethoxy-6-chloro-7-hydroxy-progesterone with agents that split water or dehydrogenates in 6.7 position 17alpha-ethoxy-6-chloro-progesterone, or treats 17alpha-ethoxy-6-chloro -5-pregnen-3beta-ol-20-one with oxidizing agents or is released from the keto group (s) functionally altered in position 3 and/or 20 of a corresponding substituted steroid. (Machine-translation by Google Translate, not legally binding)
ES0297137A1964-01-031964-03-02Procedure for the preparation of 17 alpha-etoxy-6-chlorine-6-dehydro-progesterone (Machine-translation by Google Translate, not legally binding)
ExpiredES297137A1
(en)
A procedure for the preparation of 9 beta, 10 alpha-steroids of the androstanic and pregnanic series. (Machine-translation by Google Translate, not legally binding)
Improvements in the construction of derivations to siphon for irrigation and other applications (Machine-translation by Google Translate, not legally binding)