CH212060A - Verfahren zur Darstellung eines Derivates des 2-Aminopyridins. - Google Patents

Verfahren zur Darstellung eines Derivates des 2-Aminopyridins.

Info

Publication number
CH212060A
CH212060A CH212060DA CH212060A CH 212060 A CH212060 A CH 212060A CH 212060D A CH212060D A CH 212060DA CH 212060 A CH212060 A CH 212060A
Authority
CH
Switzerland
Prior art keywords
aminopyridine
derivative
preparation
alcohol
sparingly soluble
Prior art date
Application number
Other languages
English (en)
Inventor
Chemisches Industrielles Cilag
Original Assignee
Cilag Chemisches Ind Lab A G
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 Cilag Chemisches Ind Lab A G filed Critical Cilag Chemisches Ind Lab A G
Publication of CH212060A publication Critical patent/CH212060A/de

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Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D213/00Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
    • C07D213/02Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
    • C07D213/04Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D213/60Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D213/72Nitrogen atoms
    • C07D213/76Nitrogen atoms to which a second hetero atom is attached
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D213/00Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
    • C07D213/02Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
    • C07D213/04Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D213/60Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D213/72Nitrogen atoms

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Pyridine Compounds (AREA)

Description


  Verfahren zur Darstellung eines Derivates des     2-Aminopyridins.       Die Erfindung     betrifft    ein Verfahren zur  Darstellung eines Derivates des     2-Aniiriopy-          ridins,    welches sich dadurch auszeichnet, dass  man     2-Brompyridin    mit einem     Alkalisalz    des     p-          Aminobenzolsulfonamids    zur Reaktion bringt.

    Das dabei unter Austritt von     Alkalibromid     sich bildende 2 - (p -     Aminobenzolsulfonyl    -)       aminopyridin    soll therapeutisch verwendet  werden, da es sich als zur Bekämpfung von       Kokkeninfektion    wertvoll erwiesen hat.  



  Die Darstellung dieser     Verbindung    erfolgt  beispielsweise folgendermassen  15,8 g     2-Brompyridin    und 19,4 g     p-Amino-          benzolsulfonamid-Nati,ium    werden mit wenig       Xylol    während 2 Stunden am     Rückflusskühler     erhitzt. Hierauf wird das vom     Xylol    getrennte  Reaktionsgemisch mit Wasser behandelt und  das zurückbleibende 2 - (p -     Aminobenzolsul-          fonyl-)aminopyridin    aus heissem Alkohol um  kristallisiert.  



  Das Verfahrensprodukt bildet farblose  Prismen (aus Alkohol), die bei<B>189-1911</B> C  schmelzen. Es ist leicht löslich in verdünnten    Säuren und Alkalien, wenig löslich in Alko  hol, Azeton und Äther, sehr schwer löslich  in kaltem und warmem Wasser.

Claims (1)

  1. PATENTANSPRUCH: Verfahren zur Darstellung eines Derivates des 2-Aminopyridins, dadurch gekennzeichnet, dass man 2-Brompyridin mit einem Alkali salz des p-Aminobenzolsulfonamids zur Reak tion bringt, wobei unter Austritt von Alkali bromid 2-(p-Amiiiobenzolsulforiyl-) amino- pyridin gebildet wird. Das Verfahrensprodukt soll therapeutisch, insbesondere gegen Kokkeninfektion Verwen dung finden. Es bildet farblose Prismen (aus Alkohol), die bei 189-191 C schmelzen.
    Es ist leicht löslich in verdünnten Säuren und Alkalien, wenig löslich in Alkohol, Aze- ton und Äther, sehr schwer löslich in kaltem und warmem Wasser.
CH212060D 1938-08-30 1939-05-20 Verfahren zur Darstellung eines Derivates des 2-Aminopyridins. CH212060A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH212060T 1938-08-30

Publications (1)

Publication Number Publication Date
CH212060A true CH212060A (de) 1940-10-31

Family

ID=4447629

Family Applications (1)

Application Number Title Priority Date Filing Date
CH212060D CH212060A (de) 1938-08-30 1939-05-20 Verfahren zur Darstellung eines Derivates des 2-Aminopyridins.

Country Status (1)

Country Link
CH (1) CH212060A (de)

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