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GB864615A - 4-chloro-testosterone-17ª‰-acetate - Google Patents

4-chloro-testosterone-17ª‰-acetate

Info

Publication number
GB864615A
GB864615A GB25693/60A GB2569360A GB864615A GB 864615 A GB864615 A GB 864615A GB 25693/60 A GB25693/60 A GB 25693/60A GB 2569360 A GB2569360 A GB 2569360A GB 864615 A GB864615 A GB 864615A
Authority
GB
United Kingdom
Prior art keywords
acetate
testosterone
chloro
comptroller
epoxy
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
GB25693/60A
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.)
Pfizer Italia SRL
Original Assignee
Farmaceutici Italia SpA
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 Farmaceutici Italia SpA filed Critical Farmaceutici Italia SpA
Publication of GB864615A publication Critical patent/GB864615A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07JSTEROIDS
    • C07J1/00Normal steroids containing carbon, hydrogen, halogen or oxygen, not substituted in position 17 beta by a carbon atom, e.g. estrane, androstane
    • 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)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

Abstract

4-Chloro-testosterone-17b -acetate is prepared by reacting 4a , 5-epoxy-androstan-17b -ol-3-one acetate or 4b , 5-epoxy-etiocholan-17b -ol-3-one acetate or a mixture of these compounds with hydrogen chloride in solution in chloroform or methylene chloride e.g. at a temperature from -10 to 25 DEG C., and by acetylating 4-chloro-testosterone e.g. by means of acetic anhydride. The acetylation process is preferably carried out in the presence of a basic reagent such as pyridine. The chloroform used in the first process may contain about 10% of ethanol. In addition the hydrogen chloride used in the first process may be in the form of a gaseous stream, or in the form of a salt with an organic base e.g. pyridinium chloride. Detailed examples are given. Specification 864,613 also is referred to. Reference has been directed by the Comptroller to Specification 792,727.ALSO:A therapeutic composition comprises 4-chlorotestosterone 17b -acetate and a therapeutically acceptable carrier compatible therewith. The carrier may be in the form of a liquid in which the active material is dissolved or suspended to form a composition for administration orally or by injection, of an ointment base to provide a composition suitable for topical administration, or of a solid or capsule. Specification 864,613 also is referred to. Reference has been directed by the Comptroller to Specification 792,727.
GB25693/60A 1956-04-23 1957-03-27 4-chloro-testosterone-17ª‰-acetate Expired GB864615A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT864615X 1956-04-23

Publications (1)

Publication Number Publication Date
GB864615A true GB864615A (en) 1961-04-06

Family

ID=11330586

Family Applications (1)

Application Number Title Priority Date Filing Date
GB25693/60A Expired GB864615A (en) 1956-04-23 1957-03-27 4-chloro-testosterone-17ª‰-acetate

Country Status (1)

Country Link
GB (1) GB864615A (en)

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