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Mitsubishi Kasei Corp
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Mitsubishi Kasei Corp
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Application filed by Mitsubishi Kasei CorpfiledCriticalMitsubishi Kasei Corp
Priority to JP6837675ApriorityCriticalpatent/JPS591277B2/en
Publication of JPS51143654ApublicationCriticalpatent/JPS51143654A/en
Publication of JPS591277B2publicationCriticalpatent/JPS591277B2/en
PURPOSE: A process for preparing the titled compound used as an intemediate of spironolactone,an antialdosterone diuretic and hypotensive drug,from an inexpensive androsto-1,4-dien-3, 17-dione as a raw material.