FR1198874A - Process for preparing delta16-20-keto-pregnenes - Google Patents

Process for preparing delta16-20-keto-pregnenes

Info

Publication number
FR1198874A
FR1198874A FR1198874DA FR1198874A FR 1198874 A FR1198874 A FR 1198874A FR 1198874D A FR1198874D A FR 1198874DA FR 1198874 A FR1198874 A FR 1198874A
Authority
FR
France
Prior art keywords
delta16
pregnenes
keto
preparing
preparing delta16
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.)
Novartis AG
Original Assignee
Ciba Geigy AG
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 Ciba Geigy AG filed Critical Ciba Geigy AG
Application granted granted Critical
Publication of FR1198874A publication Critical patent/FR1198874A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07JSTEROIDS
    • C07J9/00Normal 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
    • 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)
FR1198874D 1957-02-25 1958-02-14 Process for preparing delta16-20-keto-pregnenes Expired FR1198874A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1198874X 1957-02-25

Publications (1)

Publication Number Publication Date
FR1198874A true FR1198874A (en) 1959-12-10

Family

ID=4562575

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1198874D Expired FR1198874A (en) 1957-02-25 1958-02-14 Process for preparing delta16-20-keto-pregnenes

Country Status (1)

Country Link
FR (1) FR1198874A (en)

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