BE778644A - 2,2-DIMETHYL UNSATURATED STEROIDS AND METHOD OF PREPARATION - Google Patents

2,2-DIMETHYL UNSATURATED STEROIDS AND METHOD OF PREPARATION

Info

Publication number
BE778644A
BE778644A BE778644A BE778644A BE778644A BE 778644 A BE778644 A BE 778644A BE 778644 A BE778644 A BE 778644A BE 778644 A BE778644 A BE 778644A BE 778644 A BE778644 A BE 778644A
Authority
BE
Belgium
Prior art keywords
preparation
dimethyl unsaturated
unsaturated steroids
steroids
dimethyl
Prior art date
Application number
BE778644A
Other languages
French (fr)
Original Assignee
Roussel Uclaf
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 Roussel Uclaf filed Critical Roussel Uclaf
Publication of BE778644A publication Critical patent/BE778644A/en

Links

Classifications

    • 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
BE778644A 1971-02-03 1972-01-28 2,2-DIMETHYL UNSATURATED STEROIDS AND METHOD OF PREPARATION BE778644A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7103567A FR2124076B1 (en) 1971-02-03 1971-02-03

Publications (1)

Publication Number Publication Date
BE778644A true BE778644A (en) 1972-07-28

Family

ID=9071316

Family Applications (1)

Application Number Title Priority Date Filing Date
BE778644A BE778644A (en) 1971-02-03 1972-01-28 2,2-DIMETHYL UNSATURATED STEROIDS AND METHOD OF PREPARATION

Country Status (9)

Country Link
JP (1) JPS5724360B1 (en)
BE (1) BE778644A (en)
CA (1) CA966120A (en)
CH (1) CH549562A (en)
DE (1) DE2204861C3 (en)
DK (1) DK126778B (en)
FR (1) FR2124076B1 (en)
GB (1) GB1364362A (en)
NL (1) NL174046C (en)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1519511A (en) * 1964-04-23 1968-04-05 Roussel Uclaf Substituted estratriene derivative and method of preparation
JPH1081766A (en) * 1996-09-05 1998-03-31 Teijin Ltd Biaxially oriented polyester film

Also Published As

Publication number Publication date
CH549562A (en) 1974-05-31
DE2204861A1 (en) 1972-08-17
CA966120A (en) 1975-04-15
NL7201406A (en) 1972-08-07
NL174046B (en) 1983-11-16
NL174046C (en) 1984-04-16
FR2124076B1 (en) 1974-08-30
DK126778B (en) 1973-08-20
FR2124076A1 (en) 1972-09-22
DE2204861B2 (en) 1980-04-03
GB1364362A (en) 1974-08-21
DE2204861C3 (en) 1980-12-04
JPS5724360B1 (en) 1982-05-24

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: ROUSSEL UCLAF S.A.

Effective date: 19840128