GB890990A - Cyclopentanophenanthrene derivative and process for its production - Google Patents

Cyclopentanophenanthrene derivative and process for its production

Info

Publication number
GB890990A
GB890990A GB40545/61A GB4054561A GB890990A GB 890990 A GB890990 A GB 890990A GB 40545/61 A GB40545/61 A GB 40545/61A GB 4054561 A GB4054561 A GB 4054561A GB 890990 A GB890990 A GB 890990A
Authority
GB
United Kingdom
Prior art keywords
cyclopentanophenanthrene
derivative
production
vinyl
alkali metal
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB40545/61A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Syntex SA
Original Assignee
Syntex SA
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 Syntex SA filed Critical Syntex SA
Publication of GB890990A publication Critical patent/GB890990A/en
Expired legal-status Critical Current

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)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

The invention comprises 17a -vinyl-19-norandrostan-17b -ol-3-one and a process for its preparation by reacting 17a -vinyl-19-nor-testosterone with an alkali metal in liquid ammonia. A detailed example illustrates the use of lithium as the alkali metal.
GB40545/61A 1957-04-11 1958-06-10 Cyclopentanophenanthrene derivative and process for its production Expired GB890990A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
MX890990X 1957-04-11

Publications (1)

Publication Number Publication Date
GB890990A true GB890990A (en) 1962-03-07

Family

ID=19743139

Family Applications (1)

Application Number Title Priority Date Filing Date
GB40545/61A Expired GB890990A (en) 1957-04-11 1958-06-10 Cyclopentanophenanthrene derivative and process for its production

Country Status (1)

Country Link
GB (1) GB890990A (en)

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