CH112496A - Process for the preparation of sodium tribismutyl tartrate. - Google Patents

Process for the preparation of sodium tribismutyl tartrate.

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Publication number
CH112496A
CH112496A CH112496DA CH112496A CH 112496 A CH112496 A CH 112496A CH 112496D A CH112496D A CH 112496DA CH 112496 A CH112496 A CH 112496A
Authority
CH
Switzerland
Prior art keywords
tartrate
sodium
tribismutyl
preparation
cho
Prior art date
Application number
Other languages
German (de)
Inventor
F Boehringer Soehne G M B H C
Original Assignee
Boehringer & Soehne Gmbh
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 Boehringer & Soehne Gmbh filed Critical Boehringer & Soehne Gmbh
Publication of CH112496A publication Critical patent/CH112496A/en

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Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07FACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F9/00Compounds containing elements of Groups 5 or 15 of the Periodic Table
    • C07F9/94Bismuth compounds

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

Description

  

  verfahren zur Darstellung von Natrium-Tribismutyltartrat.    Im Gegensatz zu den komplexen     Kafium-          wismuttartraten    sind Natriumsalze der Wis  mutweinsäure in reinem Zustand und in  fester Form bisher nicht erhalten worden.  (Zeitschrift für anorganische Chemie 48  [1906], Seite 212, vorletzter Absatz; Archiv  der Pharmazie 246 1908], Seite 501, letzter  Absatz.)  Wie nun gefunden wurde, kann man  leicht zu einem Natrium-Tribismutyltartrat  gelangen, wenn man reines     Wismuthydroxyd     im Überschuss auf Dinatriumtartrat zur Ein  wirkung bringt.

   Die auf diese Weise erhält  liche Komplexverbindung ist ausgezeichnet  durch ausserordentlich leichte Löslichkeit und  durch einen hohen Wismutgehalt (71,14 %),  Eigenschaften, die ihr besondere Eignung  für die Anwendung in der Therapie, vor  allem zu Injektionszwecken, verleihen.  



  Zur Darstellung der neuen Doppelverbin  dung verfährt man zweckmässig wie folgt:  Eine molare Lösung von Dinatriumtartrat  wird auf dem Wasserbad zwei Stunden lang  mit überschüssigem, reinem Wismuthydroxyd  erhitzt. Ein geeignetes Wismuthydroxyd    kann man zum Beispiel nach der Vorschrift  von Vanino und Zumbusch (Archiv der Phar  mazie 248 1910], Seite 665) gewinnen. Bei  der Behandlung auf dem Wasserbad gehen  auf je 5 Mol. Dinatriumtartrat 2 Mol. Wis  muthydroxyd in Lösung. Nach dem Ab  kühlen des Reaktionsgemisches versetzt man  mit dem gleichen Volumen 50 %igen Alko  hols. Es fällt dabei ein sehr feinkristallini  scher Niederschlag aus, den man auf der  Nutsche abfiltriert und einigemal mit  50 %igem Alkohol nachwäscht. Auf diese  Weise wird ein gleichzeitiges Ausfallen von  Natriumtartrat vermieden.

   Nach dem Trock  nen bildet das neue Produkt eine weisse zu  sammenhängende mikrokristallinische Masse,  die leicht mit alkalischer Reaktion in Was  ser löslich ist. Sie ist unlöslich in organi  schen Lösungsmitteln. Die Zusammensetzung  enstpricht der Formel COONa . CHO . Bi0 .       CFIO    .     Bi0    .     C00    .     Bi0        -f-    2 H20.



  process for the preparation of sodium tribismutyl tartrate. In contrast to the complex cafium bismuth tartrates, sodium salts of bismuth tartaric acid have not yet been obtained in the pure state or in solid form. (Zeitschrift für inorganic Chemie 48 [1906], page 212, penultimate paragraph; Archiv der Pharmazie 246 1908], page 501, last paragraph.) As has now been found, a sodium tribismuthyl tartrate can easily be obtained if pure bismuth hydroxide is used Excess of disodium tartrate takes effect.

   The complex compound obtained in this way is distinguished by its extremely easy solubility and a high bismuth content (71.14%), properties which make it particularly suitable for use in therapy, especially for injection purposes.



  Proceed as follows to prepare the new double compound: A molar solution of disodium tartrate is heated on a water bath for two hours with excess, pure bismuth hydroxide. A suitable bismuth hydroxide can be obtained, for example, according to the instructions of Vanino and Zumbusch (Archiv der Pharmacy 248 1910], page 665). During the treatment on a water bath, 2 mol of bisodium hydroxide go into solution for every 5 mol of disodium tartrate. After the reaction mixture has cooled, the same volume of 50% alcohol is added. It turns out a very fine crystalline precipitate, which is filtered off on the suction filter and washed several times with 50% alcohol. In this way, a simultaneous precipitation of sodium tartrate is avoided.

   After drying, the new product forms a white, coherent microcrystalline mass that is easily soluble in water with an alkaline reaction. It is insoluble in organic solvents. The composition corresponds to the formula COONa. CHO. Bi0. CFIO. Bi0. C00. Bi0 -f- 2 H20.

 

Claims (1)

PATENTANSPRUCH: Verfahren zur Darstellung von Natrium Tribismutyltartrat, dadurch gekennzeichnet, dass man Wismuthydroxyd auf Dinatrium- tartrat einwirken lässt. Nach dem Trocknen bildet das neue Produkt eine weisse zusam menhängende mikrokristallinische Masse, die leicht mit alkalischer Reaktion in Wasser löslich ist. Sie ist unlöslich in organischen Lösungsmitteln. Die Zusammensetzung ent spricht der Formel COONa . CHO . Bi0 . CHO. Bi0. C00. Bi0 + 2 H.0. PATENT CLAIM: Process for the preparation of sodium tribismutyl tartrate, characterized in that bismuth hydroxide is allowed to act on disodium tartrate. After drying, the new product forms a white, coherent microcrystalline mass that is easily soluble in water with an alkaline reaction. It is insoluble in organic solvents. The composition corresponds to the formula COONa. CHO. Bi0. CHO. Bi0. C00. Bi0 + 2 H.0.
CH112496D 1924-08-21 1924-08-21 Process for the preparation of sodium tribismutyl tartrate. CH112496A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH112496T 1924-08-21

Publications (1)

Publication Number Publication Date
CH112496A true CH112496A (en) 1925-11-02

Family

ID=4371621

Family Applications (1)

Application Number Title Priority Date Filing Date
CH112496D CH112496A (en) 1924-08-21 1924-08-21 Process for the preparation of sodium tribismutyl tartrate.

Country Status (1)

Country Link
CH (1) CH112496A (en)

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