CA943953A - 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
- Google Patents
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
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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EIDP Inc
Original Assignee
EI Du Pont de Nemours and Co
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Publication date
Priority claimed from CA123,803Aexternal-prioritypatent/CA945139A/en
Application filed by EI Du Pont de Nemours and CofiledCriticalEI Du Pont de Nemours and Co
Priority to CA171,446ApriorityCriticalpatent/CA943953A/en
Application grantedgrantedCritical
Publication of CA943953ApublicationCriticalpatent/CA943953A/en
CA171,446A1971-02-011973-05-15PROCESS 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
ExpiredCA943953A
(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
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
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
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
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
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
PROCESS FOR THE PREPARATION OF 17.alpha.-HALOGENOALKYNYL-13-LOWER ALKYLGON-4 OR 5(10)-EN-3-ON-17.beta.-OLS OR 3,17.beta.-DIOLS AND THEIR ESTERS AND ETHERS