FR1253512A - Process for the preparation of 16.17-methylene-20-keto-steroids - Google Patents

Process for the preparation of 16.17-methylene-20-keto-steroids

Info

Publication number
FR1253512A
FR1253512A FR822126A FR822126A FR1253512A FR 1253512 A FR1253512 A FR 1253512A FR 822126 A FR822126 A FR 822126A FR 822126 A FR822126 A FR 822126A FR 1253512 A FR1253512 A FR 1253512A
Authority
FR
France
Prior art keywords
keto
steroids
methylene
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
FR822126A
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.)
Bayer Pharma AG
Original Assignee
Schering 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 Schering AG filed Critical Schering AG
Priority to FR822126A priority Critical patent/FR1253512A/en
Application granted granted Critical
Publication of FR1253512A publication Critical patent/FR1253512A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07J—STEROIDS
    • C07J53/00—Steroids in which the cyclopenta(a)hydrophenanthrene skeleton has been modified by condensation with a carbocyclic rings or by formation of an additional ring by means of a direct link between two ring carbon atoms, including carboxyclic rings fused to the cyclopenta(a)hydrophenanthrene skeleton are included in this class
    • 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
FR822126A 1960-03-22 1960-03-22 Process for the preparation of 16.17-methylene-20-keto-steroids Expired FR1253512A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR822126A FR1253512A (en) 1960-03-22 1960-03-22 Process for the preparation of 16.17-methylene-20-keto-steroids

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR822126A FR1253512A (en) 1960-03-22 1960-03-22 Process for the preparation of 16.17-methylene-20-keto-steroids

Publications (1)

Publication Number Publication Date
FR1253512A true FR1253512A (en) 1961-02-10

Family

ID=8727676

Family Applications (1)

Application Number Title Priority Date Filing Date
FR822126A Expired FR1253512A (en) 1960-03-22 1960-03-22 Process for the preparation of 16.17-methylene-20-keto-steroids

Country Status (1)

Country Link
FR (1) FR1253512A (en)

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