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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Taisho Pharmaceutical Co Ltd
Original Assignee
Taisho Pharmaceutical Co Ltd
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Filing date
Publication date
Application filed by Taisho Pharmaceutical Co LtdfiledCriticalTaisho Pharmaceutical Co Ltd
Priority to JP5967178ApriorityCriticalpatent/JPS54151958A/ja
Publication of JPS54151958ApublicationCriticalpatent/JPS54151958A/ja
Publication of JPS6118559B2publicationCriticalpatent/JPS6118559B2/ja
9-alpha-hydroxy steroids, process for their preparation, process for the preparation of the corresponding 9(11)-dehydro derivatives and pharmaceutical preparations containing said steroids
Industrial process for the synthesis of 17alpha-acetoxy-11beta-[4-(N,N-dimethyl-amino)- phenyl]-19-norpregna-4,9-diene-3,20-dione and new intermediates of the process
PROCESS FOR PREPARING 17α-ACETOXY-11β-[4-N,N(DIMETHYLAMINO)PHENYL]-21-METHOXY-19-NORPREGNA-4,9-DIENE-3,20-DIONE, INTERMEDIATES USEFUL IN THE PROCESS , AND PROCESSES FOR PREPARING SUCH INTERMEDIATES