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.)
Expired
Application number
CA837603A
Inventor
De Ruggeri Pietro
Gandolfi Carmelo
Guzzi Umberto
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.)
Ormonoterapia Richter SpA
Original Assignee
Ormonoterapia Richter SpA
Publication date
Application grantedgrantedCritical
Publication of CA837603ApublicationCriticalpatent/CA837603A/en
PROCESS FOR THE PREPARATION OF 21-CHLORO-6,6 9.alpha.-TRIFLUORO-11.beta.,16.alpha.,17.alpha.-TRIHYDROXY-1,4-PREGNADIEN-3,20-DIONE 16,17-KETALS AND SELECTED INTERMEDIATES