CH460751A - Process for the preparation of 1,2B-methylene-3-keto-5B-steroids - Google Patents

Process for the preparation of 1,2B-methylene-3-keto-5B-steroids

Info

Publication number
CH460751A
CH460751A CH611865A CH611865A CH460751A CH 460751 A CH460751 A CH 460751A CH 611865 A CH611865 A CH 611865A CH 611865 A CH611865 A CH 611865A CH 460751 A CH460751 A CH 460751A
Authority
CH
Switzerland
Prior art keywords
keto
steroids
methylene
preparation
Prior art date
Application number
CH611865A
Other languages
German (de)
Inventor
Otto Dr Engelfried
Hans-Guenter Dr Lehmann
Rudolf Dr Wiechert
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
Publication of CH460751A publication Critical patent/CH460751A/en

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
    • C07J1/00—Normal steroids containing carbon, hydrogen, halogen or oxygen, not substituted in position 17 beta by a carbon atom, e.g. estrane, androstane
    • 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)
  • Steroid Compounds (AREA)
CH611865A 1964-07-02 1965-05-03 Process for the preparation of 1,2B-methylene-3-keto-5B-steroids CH460751A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DESCH35420A DE1243189B (en) 1964-07-02 1964-07-02 Process for the preparation of 1,2beta-methylene-3-ketosteroids of the 5beta series

Publications (1)

Publication Number Publication Date
CH460751A true CH460751A (en) 1968-08-15

Family

ID=7433483

Family Applications (1)

Application Number Title Priority Date Filing Date
CH611865A CH460751A (en) 1964-07-02 1965-05-03 Process for the preparation of 1,2B-methylene-3-keto-5B-steroids

Country Status (8)

Country Link
BE (1) BE666330A (en)
BR (1) BR6570803D0 (en)
CH (1) CH460751A (en)
DE (1) DE1243189B (en)
DK (1) DK115258B (en)
GB (1) GB1053037A (en)
NL (1) NL6506593A (en)
SE (1) SE323671B (en)

Also Published As

Publication number Publication date
DK115258B (en) 1969-09-22
DE1243189B (en) 1967-06-29
NL6506593A (en) 1966-01-03
SE323671B (en) 1970-05-11
GB1053037A (en)
BE666330A (en)
BR6570803D0 (en) 1973-08-16

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