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.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Chemical Corp
Original Assignee
Mitsubishi Chemical Industries Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mitsubishi Chemical Industries LtdfiledCriticalMitsubishi Chemical Industries Ltd
Priority to JP11834381ApriorityCriticalpatent/JPS5821698A/ja
Priority to US06/325,026prioritypatent/US4585591A/en
Priority to HU813691Aprioritypatent/HU187382B/hu
Priority to EP81110321Aprioritypatent/EP0053845B1/en
Priority to AT81110321Tprioritypatent/ATE12648T1/de
Priority to DE8181110321Tprioritypatent/DE3169906D1/de
Publication of JPS5821698ApublicationCriticalpatent/JPS5821698A/ja
Publication of JPS6353998B2publicationCriticalpatent/JPS6353998B2/ja
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