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Merck KGaA
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E Merck AG
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Application filed by E Merck AGfiledCriticalE Merck AG
Publication of ES294798A1publicationCriticalpatent/ES294798A1/en
Procedure for preparing sulfurized androstane derivatives, characterized by reacting a steroid of formula I **(See formula)** where R1 signifies a hydrogen atom, or an acyl group and R2 means a hydrogen atom, or a hydrocarbon radical, saturated or unsaturated, with 1 to 3 carbon atoms, with hydrogen sulfide and optionally, in the steroid thus obtained, which contains two more sulfur atoms and two more hydrogen atoms and one less oxygen atom than the starting steroid, esterify a hydroxy group present at position 17 or saponify a group of ester located in this position. (Machine-translation by Google Translate, not legally binding)
ES0294798A1962-12-241963-12-23Procedure for preparing sulfurated androstan derivatives (Machine-translation by Google Translate, not legally binding)
ExpiredES294798A1
(en)
A procedure for preparing the 21-hydroxy steroids of the pregnan series esterified in the position 21. (Machine-translation by Google Translate, not legally binding)