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FR1072453A - Improvements in the preparation of delta-pregnenes - Google Patents

Improvements in the preparation of delta-pregnenes

Info

Publication number
FR1072453A
FR1072453A FR1072453DA FR1072453A FR 1072453 A FR1072453 A FR 1072453A FR 1072453D A FR1072453D A FR 1072453DA FR 1072453 A FR1072453 A FR 1072453A
Authority
FR
France
Prior art keywords
pregnenes
delta
preparation
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
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.)
Wyeth Holdings LLC
Original Assignee
American Cyanamid Co
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 American Cyanamid Co filed Critical American Cyanamid Co
Application granted granted Critical
Publication of FR1072453A publication Critical patent/FR1072453A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07J—STEROIDS
    • C07J5/00—Normal steroids containing carbon, hydrogen, halogen or oxygen, substituted in position 17 beta by a chain of two carbon atoms, e.g. pregnane and substituted in position 21 by only one singly bound oxygen atom, i.e. only one oxygen bound to position 21 by a single bond
    • 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)
FR1072453D 1951-12-04 1952-11-22 Improvements in the preparation of delta-pregnenes Expired FR1072453A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US1072453XA 1951-12-04 1951-12-04

Publications (1)

Publication Number Publication Date
FR1072453A true FR1072453A (en) 1954-09-13

Family

ID=22315636

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1072453D Expired FR1072453A (en) 1951-12-04 1952-11-22 Improvements in the preparation of delta-pregnenes

Country Status (1)

Country Link
FR (1) FR1072453A (en)

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