CH397666A - Process for the preparation of 16a-alkyl-20,21-ketols of the pregnane series - Google Patents

Process for the preparation of 16a-alkyl-20,21-ketols of the pregnane series

Info

Publication number
CH397666A
CH397666A CH821760A CH821760A CH397666A CH 397666 A CH397666 A CH 397666A CH 821760 A CH821760 A CH 821760A CH 821760 A CH821760 A CH 821760A CH 397666 A CH397666 A CH 397666A
Authority
CH
Switzerland
Prior art keywords
ketols
alkyl
preparation
pregnane series
pregnane
Prior art date
Application number
CH821760A
Other languages
German (de)
Inventor
Albert Dr Wettstein
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
Application filed by Ciba Geigy filed Critical Ciba Geigy
Priority to CH821760A priority Critical patent/CH397666A/en
Priority to GB2616161A priority patent/GB987576A/en
Publication of CH397666A publication Critical patent/CH397666A/en

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07JSTEROIDS
    • C07J71/00Steroids in which the cyclopenta(a)hydrophenanthrene skeleton is condensed with a heterocyclic ring
    • 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
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07JSTEROIDS
    • C07J75/00Processes 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)
CH821760A 1960-07-19 1960-07-19 Process for the preparation of 16a-alkyl-20,21-ketols of the pregnane series CH397666A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CH821760A CH397666A (en) 1960-07-19 1960-07-19 Process for the preparation of 16a-alkyl-20,21-ketols of the pregnane series
GB2616161A GB987576A (en) 1960-07-19 1961-07-19 Process for the manufacture of 16ª‡-alkyl-20:21-ketols of the pregnane series

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH821760A CH397666A (en) 1960-07-19 1960-07-19 Process for the preparation of 16a-alkyl-20,21-ketols of the pregnane series

Publications (1)

Publication Number Publication Date
CH397666A true CH397666A (en) 1965-08-31

Family

ID=4336944

Family Applications (1)

Application Number Title Priority Date Filing Date
CH821760A CH397666A (en) 1960-07-19 1960-07-19 Process for the preparation of 16a-alkyl-20,21-ketols of the pregnane series

Country Status (2)

Country Link
CH (1) CH397666A (en)
GB (1) GB987576A (en)

Also Published As

Publication number Publication date
GB987576A (en) 1965-03-31

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