CH491099A - Process for the preparation of 17a, 21-diesters of 9a, 11B-dihalo-16a-alkyl-1,4-pregnadiene-17a, 21-diol-3,20-dione - Google Patents

Process for the preparation of 17a, 21-diesters of 9a, 11B-dihalo-16a-alkyl-1,4-pregnadiene-17a, 21-diol-3,20-dione

Info

Publication number
CH491099A
CH491099A CH540169A CH540169A CH491099A CH 491099 A CH491099 A CH 491099A CH 540169 A CH540169 A CH 540169A CH 540169 A CH540169 A CH 540169A CH 491099 A CH491099 A CH 491099A
Authority
CH
Switzerland
Prior art keywords
pregnadiene
dihalo
diesters
dione
diol
Prior art date
Application number
CH540169A
Other languages
German (de)
Inventor
L Herzog Hershel
L Shapiro Elliot
Original Assignee
Scherico Ltd
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 Scherico Ltd filed Critical Scherico Ltd
Priority to CH540169A priority Critical patent/CH491099A/en
Priority claimed from CH1244166A external-priority patent/CH497405A/en
Publication of CH491099A publication Critical patent/CH491099A/en

Links

Classifications

    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
CH540169A 1966-08-26 1966-08-26 Process for the preparation of 17a, 21-diesters of 9a, 11B-dihalo-16a-alkyl-1,4-pregnadiene-17a, 21-diol-3,20-dione CH491099A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CH540169A CH491099A (en) 1966-08-26 1966-08-26 Process for the preparation of 17a, 21-diesters of 9a, 11B-dihalo-16a-alkyl-1,4-pregnadiene-17a, 21-diol-3,20-dione

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH540169A CH491099A (en) 1966-08-26 1966-08-26 Process for the preparation of 17a, 21-diesters of 9a, 11B-dihalo-16a-alkyl-1,4-pregnadiene-17a, 21-diol-3,20-dione
CH1244166A CH497405A (en) 1965-08-30 1966-08-26 17alpha-21-dicarboxylic esters of pregnane series

Publications (1)

Publication Number Publication Date
CH491099A true CH491099A (en) 1970-05-31

Family

ID=4383055

Family Applications (1)

Application Number Title Priority Date Filing Date
CH540169A CH491099A (en) 1966-08-26 1966-08-26 Process for the preparation of 17a, 21-diesters of 9a, 11B-dihalo-16a-alkyl-1,4-pregnadiene-17a, 21-diol-3,20-dione

Country Status (1)

Country Link
CH (1) CH491099A (en)

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Legal Events

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