FR1293215A - Improvements to the processes for the preparation of 21-methyl-delta4, 9 (11) -pregnadiene-11beta, 17alpha-diol-3, 20-dione and of intermediate products of synthesis of this compound - Google Patents

Improvements to the processes for the preparation of 21-methyl-delta4, 9 (11) -pregnadiene-11beta, 17alpha-diol-3, 20-dione and of intermediate products of synthesis of this compound

Info

Publication number
FR1293215A
FR1293215A FR861014A FR861014A FR1293215A FR 1293215 A FR1293215 A FR 1293215A FR 861014 A FR861014 A FR 861014A FR 861014 A FR861014 A FR 861014A FR 1293215 A FR1293215 A FR 1293215A
Authority
FR
France
Prior art keywords
delta4
11beta
pregnadiene
17alpha
dione
Prior art date
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
FR861014A
Other languages
French (fr)
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.)
Pfizer Inc
Original Assignee
Pfizer Inc
Charles Pfizer and Co Inc
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 Pfizer Inc, Charles Pfizer and Co Inc filed Critical Pfizer Inc
Priority to FR861014A priority Critical patent/FR1293215A/en
Application granted granted Critical
Publication of FR1293215A publication Critical patent/FR1293215A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07J—STEROIDS
    • C07J9/00—Normal steroids containing carbon, hydrogen, halogen or oxygen substituted in position 17 beta by a chain of more than two carbon atoms, e.g. cholane, cholestane, coprostane
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07J—STEROIDS
    • C07J75/00—Processes for the preparation of steroids in general

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
FR861014A 1961-05-06 1961-05-06 Improvements to the processes for the preparation of 21-methyl-delta4, 9 (11) -pregnadiene-11beta, 17alpha-diol-3, 20-dione and of intermediate products of synthesis of this compound Expired FR1293215A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR861014A FR1293215A (en) 1961-05-06 1961-05-06 Improvements to the processes for the preparation of 21-methyl-delta4, 9 (11) -pregnadiene-11beta, 17alpha-diol-3, 20-dione and of intermediate products of synthesis of this compound

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR861014A FR1293215A (en) 1961-05-06 1961-05-06 Improvements to the processes for the preparation of 21-methyl-delta4, 9 (11) -pregnadiene-11beta, 17alpha-diol-3, 20-dione and of intermediate products of synthesis of this compound

Publications (1)

Publication Number Publication Date
FR1293215A true FR1293215A (en) 1962-05-11

Family

ID=8754628

Family Applications (1)

Application Number Title Priority Date Filing Date
FR861014A Expired FR1293215A (en) 1961-05-06 1961-05-06 Improvements to the processes for the preparation of 21-methyl-delta4, 9 (11) -pregnadiene-11beta, 17alpha-diol-3, 20-dione and of intermediate products of synthesis of this compound

Country Status (1)

Country Link
FR (1) FR1293215A (en)

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