CH553763A - Verfahren zur herstellung von 7(beta)-methylsteroiden. - Google Patents

Verfahren zur herstellung von 7(beta)-methylsteroiden.

Info

Publication number
CH553763A
CH553763A CH1747368A CH1747368A CH553763A CH 553763 A CH553763 A CH 553763A CH 1747368 A CH1747368 A CH 1747368A CH 1747368 A CH1747368 A CH 1747368A CH 553763 A CH553763 A CH 553763A
Authority
CH
Switzerland
Prior art keywords
beta
preparation
methyl steroids
steroids
methyl
Prior art date
Application number
CH1747368A
Other languages
German (de)
English (en)
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
Priority claimed from DE19671643054 external-priority patent/DE1643054C3/de
Application filed by Schering Ag filed Critical Schering Ag
Publication of CH553763A publication Critical patent/CH553763A/xx

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
    • C07J53/002—Carbocyclic rings fused
    • C07J53/004—3 membered carbocyclic rings
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07J—STEROIDS
    • C07J75/00—Processes for the preparation of steroids in general
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/55—Design of synthesis routes, e.g. reducing the use of auxiliary or protecting groups

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Steroid Compounds (AREA)
CH1747368A 1967-12-07 1968-11-22 Verfahren zur herstellung von 7(beta)-methylsteroiden. CH553763A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19671643054 DE1643054C3 (de) 1967-12-07 1967-12-07 1 alpha,2alpha-Methylen-4-chlor-DeHa hoch 4- bzw. Delta hoch 4,6 -7-methyl-Verbindungen der Pregnan-relhe, Verfahren zu ihrer Herstellung sowie diese enthaltende Arzneimittel

Publications (1)

Publication Number Publication Date
CH553763A true CH553763A (de) 1974-09-13

Family

ID=5684250

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1747368A CH553763A (de) 1967-12-07 1968-11-22 Verfahren zur herstellung von 7(beta)-methylsteroiden.

Country Status (12)

Country Link
US (1) US3562259A (xx)
AT (1) AT282840B (xx)
BE (1) BE725034A (xx)
BR (1) BR6804696D0 (xx)
CH (1) CH553763A (xx)
CS (1) CS150233B2 (xx)
DK (1) DK122276B (xx)
ES (1) ES361166A1 (xx)
FR (1) FR1598339A (xx)
GB (1) GB1252263A (xx)
IL (1) IL31070A (xx)
SE (1) SE344943B (xx)

Also Published As

Publication number Publication date
GB1252263A (xx) 1971-11-03
AT282840B (de) 1970-07-10
FR1598339A (xx) 1970-07-06
ES361166A1 (es) 1970-10-16
IL31070A0 (en) 1969-01-29
IL31070A (en) 1975-02-10
SE344943B (xx) 1972-05-08
DK122276B (da) 1972-02-14
BR6804696D0 (pt) 1973-01-11
US3562259A (en) 1971-02-09
CS150233B2 (xx) 1973-09-04
BE725034A (xx) 1969-06-06

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Legal Events

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PL Patent ceased