CH432510A - Process for the preparation of 18,20-lactones of the pregnan and 19-nor-pregnan series - Google Patents

Process for the preparation of 18,20-lactones of the pregnan and 19-nor-pregnan series

Info

Publication number
CH432510A
CH432510A CH185860A CH185860A CH432510A CH 432510 A CH432510 A CH 432510A CH 185860 A CH185860 A CH 185860A CH 185860 A CH185860 A CH 185860A CH 432510 A CH432510 A CH 432510A
Authority
CH
Switzerland
Prior art keywords
pregnan
lactones
preparation
series
pregnan series
Prior art date
Application number
CH185860A
Other languages
German (de)
Inventor
Charles Dr Meystre
Wettstein Albert Dr Prof
Jeger Oskar Dr Prof
Georg Dr Anner
Karl Dr Heusler
Peter Dr Wieland
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
Priority claimed from CH6947559A external-priority patent/CH383953A/en
Priority claimed from CH8178059A external-priority patent/CH407111A/en
Application filed by Ciba Geigy filed Critical Ciba Geigy
Priority to CH185860A priority Critical patent/CH432510A/en
Priority to GB4255160A priority patent/GB973143A/en
Priority to GB4255360A priority patent/GB973145A/en
Priority to FR846477A priority patent/FR1284560A/en
Priority to GB4255260A priority patent/GB973144A/en
Priority to GB4255460A priority patent/GB973146A/en
Priority to AT920060A priority patent/AT241706B/en
Priority to AT919960A priority patent/AT246934B/en
Priority to GB6209/61A priority patent/GB973147A/en
Priority to US159458A priority patent/US3178414A/en
Publication of CH432510A publication Critical patent/CH432510A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07J—STEROIDS
    • C07J71/00—Steroids in which the cyclopenta(a)hydrophenanthrene skeleton is condensed with a heterocyclic ring
    • 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
CH185860A 1959-02-12 1960-02-18 Process for the preparation of 18,20-lactones of the pregnan and 19-nor-pregnan series CH432510A (en)

Priority Applications (10)

Application Number Priority Date Filing Date Title
CH185860A CH432510A (en) 1959-02-12 1960-02-18 Process for the preparation of 18,20-lactones of the pregnan and 19-nor-pregnan series
AT919960A AT246934B (en) 1959-02-12 1960-12-09 Process for the production of new hydroxyaldehydes of the Pregnan range and their functional derivatives
AT920060A AT241706B (en) 1959-02-12 1960-12-09 Process for the production of 18, 20 lactones of the pregnan series
FR846477A FR1284560A (en) 1960-02-18 1960-12-09 Process for the preparation of novel 20-hydroxy-18-oxo-pregnanic compounds
GB4255360A GB973145A (en) 1959-02-12 1960-12-09 New 18,20-lactones of 20-hydroxy-pregnane-18-acids
GB4255160A GB973143A (en) 1959-02-12 1960-12-09 New hydroxy-aldehydes of the pregnane series and functional derivatives thereof and a process for their manufacture
GB4255260A GB973144A (en) 1959-02-12 1960-12-09 Process for the manufacture of 18:20-lactones of the pregnane series
GB4255460A GB973146A (en) 1959-02-12 1960-12-09 9-halogenated 18:11-lactones of 11ª‰-hydroxy-pregnane-18-acids
GB6209/61A GB973147A (en) 1960-02-18 1961-02-20 Process for the oxidation of 20-hydroxy-pregnanes
US159458A US3178414A (en) 1960-02-18 1961-12-14 18-substituted steroids and process for their manufacture

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
CH6947559A CH383953A (en) 1959-02-12 1959-02-12 Process for the preparation of 18,20-oxido-steroids
CH7244359 1959-04-23
CH7375459 1959-05-29
CH8178059A CH407111A (en) 1959-12-11 1959-12-11 Process for the production of new hydroxyaldehydes of the Pregnan range
CH8223359 1959-12-22
CH185860A CH432510A (en) 1959-02-12 1960-02-18 Process for the preparation of 18,20-lactones of the pregnan and 19-nor-pregnan series

Publications (1)

Publication Number Publication Date
CH432510A true CH432510A (en) 1967-03-31

Family

ID=31721874

Family Applications (1)

Application Number Title Priority Date Filing Date
CH185860A CH432510A (en) 1959-02-12 1960-02-18 Process for the preparation of 18,20-lactones of the pregnan and 19-nor-pregnan series

Country Status (2)

Country Link
CH (1) CH432510A (en)
GB (1) GB973146A (en)

Also Published As

Publication number Publication date
GB973146A (en) 1964-10-21

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