FR1274377A - Process for the preparation of 12alpha-halo-16alpha, 17alpha, 21-trihydroxy-delta4-pregnenes-3, 11, 20-trione and their esters 16alpha, 21 - Google Patents

Process for the preparation of 12alpha-halo-16alpha, 17alpha, 21-trihydroxy-delta4-pregnenes-3, 11, 20-trione and their esters 16alpha, 21

Info

Publication number
FR1274377A
FR1274377A FR766240A FR766240A FR1274377A FR 1274377 A FR1274377 A FR 1274377A FR 766240 A FR766240 A FR 766240A FR 766240 A FR766240 A FR 766240A FR 1274377 A FR1274377 A FR 1274377A
Authority
FR
France
Prior art keywords
16alpha
12alpha
pregnenes
delta4
17alpha
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
FR766240A
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
Priority to FR766240A priority Critical patent/FR1274377A/en
Application granted granted Critical
Publication of FR1274377A publication Critical patent/FR1274377A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07JSTEROIDS
    • C07J5/00Normal 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
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07JSTEROIDS
    • C07J75/00Processes for the preparation of steroids in general

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
FR766240A 1958-05-23 1958-05-23 Process for the preparation of 12alpha-halo-16alpha, 17alpha, 21-trihydroxy-delta4-pregnenes-3, 11, 20-trione and their esters 16alpha, 21 Expired FR1274377A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR766240A FR1274377A (en) 1958-05-23 1958-05-23 Process for the preparation of 12alpha-halo-16alpha, 17alpha, 21-trihydroxy-delta4-pregnenes-3, 11, 20-trione and their esters 16alpha, 21

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR766240A FR1274377A (en) 1958-05-23 1958-05-23 Process for the preparation of 12alpha-halo-16alpha, 17alpha, 21-trihydroxy-delta4-pregnenes-3, 11, 20-trione and their esters 16alpha, 21

Publications (1)

Publication Number Publication Date
FR1274377A true FR1274377A (en) 1961-10-27

Family

ID=8706582

Family Applications (1)

Application Number Title Priority Date Filing Date
FR766240A Expired FR1274377A (en) 1958-05-23 1958-05-23 Process for the preparation of 12alpha-halo-16alpha, 17alpha, 21-trihydroxy-delta4-pregnenes-3, 11, 20-trione and their esters 16alpha, 21

Country Status (1)

Country Link
FR (1) FR1274377A (en)

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