Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Mitsubishi Kasei Corp
Original Assignee
Mitsubishi Kasei Corp
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Filing date
Publication date
Application filed by Mitsubishi Kasei CorpfiledCriticalMitsubishi Kasei Corp
Priority to JP10127976ApriorityCriticalpatent/JPS5328157A/en
Publication of JPS5328157ApublicationCriticalpatent/JPS5328157A/en
Publication of JPS61359B2publicationCriticalpatent/JPS61359B2/ja
PURPOSE: To prepare the title compound, intermediates of spironolactones, via acetylide, propiolic acid, etc. from 17β-hydroxy-17α-ethynylandrost-4- ene-3one-3-acetal as a starting material.
COPYRIGHT: (C)1978,JPO&Japio
JP10127976A1976-08-251976-08-25Preparation of 3-(17beta-hydroxyandrost-4-ene-3-one-17alpha-yl)propiolactone
GrantedJPS5328157A
(en)