FR1281231A - Process for preparing 3-keto-9,11-dehydro-steroids having at least one double bond in the alpha ring - Google Patents

Process for preparing 3-keto-9,11-dehydro-steroids having at least one double bond in the alpha ring

Info

Publication number
FR1281231A
FR1281231A FR813628A FR813628A FR1281231A FR 1281231 A FR1281231 A FR 1281231A FR 813628 A FR813628 A FR 813628A FR 813628 A FR813628 A FR 813628A FR 1281231 A FR1281231 A FR 1281231A
Authority
FR
France
Prior art keywords
dehydro
keto
steroids
preparing
double bond
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
FR813628A
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
BASF Schweiz AG
Original Assignee
Ciba Geigy AG
Ciba 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, Ciba AG filed Critical Ciba Geigy AG
Priority to FR813628A priority Critical patent/FR1281231A/en
Application granted granted Critical
Publication of FR1281231A publication Critical patent/FR1281231A/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)
FR813628A 1959-12-21 1959-12-21 Process for preparing 3-keto-9,11-dehydro-steroids having at least one double bond in the alpha ring Expired FR1281231A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR813628A FR1281231A (en) 1959-12-21 1959-12-21 Process for preparing 3-keto-9,11-dehydro-steroids having at least one double bond in the alpha ring

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR813628A FR1281231A (en) 1959-12-21 1959-12-21 Process for preparing 3-keto-9,11-dehydro-steroids having at least one double bond in the alpha ring

Publications (1)

Publication Number Publication Date
FR1281231A true FR1281231A (en) 1962-01-12

Family

ID=8722831

Family Applications (1)

Application Number Title Priority Date Filing Date
FR813628A Expired FR1281231A (en) 1959-12-21 1959-12-21 Process for preparing 3-keto-9,11-dehydro-steroids having at least one double bond in the alpha ring

Country Status (1)

Country Link
FR (1) FR1281231A (en)

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