CH228433A - Process for the preparation of 2,4-dibromo-androstanol acetate- (17) -one- (3). - Google Patents

Process for the preparation of 2,4-dibromo-androstanol acetate- (17) -one- (3).

Info

Publication number
CH228433A
CH228433A CH228433DA CH228433A CH 228433 A CH228433 A CH 228433A CH 228433D A CH228433D A CH 228433DA CH 228433 A CH228433 A CH 228433A
Authority
CH
Switzerland
Prior art keywords
sep
dibromo
acetate
preparation
androstanol
Prior art date
Application number
Other languages
German (de)
Inventor
Ag Schering
Original Assignee
Ag Schering
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 Ag Schering filed Critical Ag Schering
Publication of CH228433A publication Critical patent/CH228433A/en

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)

Description

  

      Verfahren    zur Herstellung von     2,4-Dibrom-androstanolaeetat-(17)-on-(3).     
EMI0001.0003     
  
    Gegenistand <SEP> des <SEP> vorliegenden <SEP> Patentes <SEP> ist
<tb>  ein <SEP> Verfahren, <SEP> zur <SEP> Herstellung <SEP> von <SEP> 2,4-Di  brom-aadrostanola;cet9,t-(17)-on-(3), <SEP> das <SEP> da  durch <SEP> gekennzeichnet <SEP> isst, <SEP> dass <SEP> man <SEP> Andro  stan.on-(3)-ol-a.cetat-(17) <SEP> mit <SEP> einem <SEP> bromie  ren@den <SEP> Mittel <SEP> behandelt.
<tb>  



  Die <SEP> neue <SEP> Verbindung <SEP> soll <SEP> als <SEP> Arznei  mittel <SEP> sowie <SEP> ale <SEP> Zwischenpmodukt <SEP> für <SEP> die
<tb>  Herstellung <SEP> von <SEP> Arzneimitteln <SEP> Verwendung
<tb>  finden.
<tb>  



  <I>Beispiel:</I>
<tb>  14 <SEP> g <SEP> Xndlrostanorn(3)-o@l-acetat-(17) <SEP> vom
<tb>  Smp. <SEP> 157  <SEP> werden <SEP> in <SEP> 10 <SEP> cm@ <SEP> Eisessig <SEP> gelöst
<tb>  und <SEP> bei <SEP> Zimmertemperatur <SEP> nach <SEP> Zusatz <SEP> von
<tb>  einigen <SEP> Tropfen <SEP> Bromwasserstoff-Eisessig
<tb>  im <SEP> Lauf <SEP> einer <SEP> halben <SEP> Stunde <SEP> mit <SEP> einer <SEP> Lö  sung, <SEP> von <SEP> 4,28 <SEP> em# <SEP> Brom <SEP> in <SEP> 250,em' <SEP> Eisiessig
<tb>  unter <SEP> Rühren <SEP> vernsetzt. <SEP> Die <SEP> entfärbte <SEP> Lösung
<tb>  wird <SEP> vorsichtig <SEP> mit <SEP> Wasser <SEP> angespritzt, <SEP> wobei
<tb>  das <SEP> rohe <SEP> 2,4-Dibrom-androstanoliacetat-(17)-     
EMI0001.0004     
  
    on;

  -(3) <SEP> ausflockt <SEP> und <SEP> sich <SEP> zusammenballt.
<tb>  Nach <SEP> einigem <SEP> Stehen <SEP> filtriert <SEP> man <SEP> dass <SEP> Roh  produkt <SEP> ab <SEP> und <SEP> kristaEisiert <SEP> es <SEP> aus <SEP> Alkohol
<tb>  um. <SEP> Das <SEP> reine <SEP> .2,4-Dibmom.-ankostanoliac:etat  (17)-on-(3,) <SEP> kristallisiert <SEP> aus <SEP> Alkohol <SEP> in <SEP> farb  losen <SEP> Nadeln, <SEP> die <SEP> bei <SEP> 194  <SEP> unter <SEP> Zersetzung
<tb>  schmelzen. <SEP> Ausbeute <SEP> 11,4 <SEP> g.



      Process for the preparation of 2,4-dibromo-androstanolaeetat- (17) -one- (3).
EMI0001.0003
  
    The object <SEP> of the <SEP> present <SEP> patent is <SEP>
<tb> a <SEP> process, <SEP> for the <SEP> production <SEP> of <SEP> 2,4-di bromo-aadrostanola; cet9, t- (17) -on- (3), <SEP> the <SEP> because marked by <SEP> <SEP> eats, <SEP> that <SEP> man <SEP> Andro stan.on- (3) -ol-a.cetat- (17) <SEP> with <SEP > a <SEP> brominate @ the <SEP> agent <SEP> treated.
<tb>



  The <SEP> new <SEP> connection <SEP> should <SEP> as <SEP> medicament <SEP> as well as <SEP> as <SEP> intermediate product <SEP> for <SEP> the
<tb> Manufacture <SEP> of <SEP> drugs <SEP> use
<tb> find.
<tb>



  <I> Example: </I>
<tb> 14 <SEP> g <SEP> Xndlrostanorn (3) -o @ l-acetate- (17) <SEP> from
<tb> Smp. <SEP> 157 <SEP> are <SEP> dissolved in <SEP> 10 <SEP> cm @ <SEP> glacial acetic acid <SEP>
<tb> and <SEP> at <SEP> room temperature <SEP> after <SEP> addition <SEP> of
<tb> a few <SEP> drops of <SEP> hydrogen bromide glacial acetic acid
<tb> in the <SEP> run <SEP> one <SEP> half an <SEP> hour <SEP> with <SEP> one <SEP> solution, <SEP> from <SEP> 4.28 <SEP> em # < SEP> bromine <SEP> in <SEP> 250, em '<SEP> ice cream
<tb> under <SEP> stirring <SEP> linked. <SEP> The <SEP> decolorized <SEP> solution
<tb> <SEP> is carefully sprayed <SEP> with <SEP> water <SEP>, <SEP> whereby
<tb> the <SEP> raw <SEP> 2,4-dibromo-androstanoliacetat- (17) -
EMI0001.0004
  
    on;

  - (3) <SEP> flocculates <SEP> and <SEP> agglomerates <SEP>.
<tb> After <SEP> some <SEP> standing <SEP> <SEP> one <SEP> filters <SEP> raw product <SEP> from <SEP> and <SEP> crystallizes <SEP> it <SEP> from < SEP> alcohol
<tb> around. <SEP> The <SEP> pure <SEP> .2,4-Dibmom.-ankostanoliac: etat (17) -on- (3,) <SEP> crystallizes <SEP> from <SEP> alcohol <SEP> in <SEP > colorless <SEP> needles, <SEP> the <SEP> at <SEP> 194 <SEP> under <SEP> decomposition
<tb> melt. <SEP> yield <SEP> 11.4 <SEP> g.

 

Claims (1)

EMI0001.0005 PATENTANSPRUCH: <tb> Verfahren <SEP> zur <SEP> Herstellung <SEP> von <SEP> 2,4-Di bro#m-andro,stanolassetat-(17)-on-(3), <SEP> dadurch <tb> gekennzeichnet, <SEP> d'ass@ <SEP> man <SEP> Anirostanon-(3) ol-aoebat-(17) <SEP> mit <SEP> einem <SEP> b-romierenden <SEP> Mittel <tb> behandelt. <tb> Die <SEP> neue <SEP> Verbindung <SEP> kristallisiert <SEP> in <tb> farblosen <SEP> Nadeln <SEP> vom <SEP> Schmelzpunkt <SEP> 194 <tb> unteir <SEP> Zersetzung. EMI0001.0005 PATENT CLAIM: <tb> Method <SEP> for <SEP> production <SEP> of <SEP> 2,4-Di bro # m-andro, stanolassetat- (17) -on- (3), <SEP> thereby <tb> marked, <SEP> d'ass @ <SEP> man <SEP> Anirostanon- (3) ol-aoebat- (17) <SEP> with <SEP> a <SEP> b-romant <SEP> agent <tb> treated. <tb> The <SEP> new <SEP> connection <SEP> crystallizes <SEP> in <tb> colorless <SEP> needles <SEP> with <SEP> melting point <SEP> 194 <tb> under <SEP> decomposition.
CH228433D 1940-02-03 1941-01-31 Process for the preparation of 2,4-dibromo-androstanol acetate- (17) -one- (3). CH228433A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE228433X 1940-02-03

Publications (1)

Publication Number Publication Date
CH228433A true CH228433A (en) 1943-08-31

Family

ID=5867187

Family Applications (1)

Application Number Title Priority Date Filing Date
CH228433D CH228433A (en) 1940-02-03 1941-01-31 Process for the preparation of 2,4-dibromo-androstanol acetate- (17) -one- (3).

Country Status (1)

Country Link
CH (1) CH228433A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2715637A (en) * 1950-01-23 1955-08-16 Syntex Sa Process for producing detla4-3-ketosteroids and intermediates thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2715637A (en) * 1950-01-23 1955-08-16 Syntex Sa Process for producing detla4-3-ketosteroids and intermediates thereof

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