BE586438A - Process for the preparation of 18,20-cyclo-20-oxo-21-nor-prégnanes - Google Patents

Process for the preparation of 18,20-cyclo-20-oxo-21-nor-prégnanes

Info

Publication number
BE586438A
BE586438A BE586438A BE586438A BE586438A BE 586438 A BE586438 A BE 586438A BE 586438 A BE586438 A BE 586438A BE 586438 A BE586438 A BE 586438A BE 586438 A BE586438 A BE 586438A
Authority
BE
Belgium
Prior art keywords
prégnanes
cyclo
oxo
preparation
Prior art date
Application number
BE586438A
Other languages
French (fr)
Original Assignee
Ciba Geigy
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 filed Critical Ciba Geigy
Publication of BE586438A publication Critical patent/BE586438A/en

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07JSTEROIDS
    • C07J5/00Normal 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
BE586438A 1959-01-12 1960-01-11 Process for the preparation of 18,20-cyclo-20-oxo-21-nor-prégnanes BE586438A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH6820259 1959-01-12
CH7882758 1959-09-30

Publications (1)

Publication Number Publication Date
BE586438A true BE586438A (en) 1960-07-11

Family

ID=4559777

Family Applications (1)

Application Number Title Priority Date Filing Date
BE586438A BE586438A (en) 1959-01-12 1960-01-11 Process for the preparation of 18,20-cyclo-20-oxo-21-nor-prégnanes

Country Status (2)

Country Link
BE (1) BE586438A (en)
DE (1) DE1142604B (en)

Also Published As

Publication number Publication date
DE1142604B (en) 1963-01-24

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