CH214351A - Verfahren zur Darstellung eines Derivates des 2-Aminopyridins. - Google Patents

Verfahren zur Darstellung eines Derivates des 2-Aminopyridins.

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Publication number
CH214351A
CH214351A CH214351DA CH214351A CH 214351 A CH214351 A CH 214351A CH 214351D A CH214351D A CH 214351DA CH 214351 A CH214351 A CH 214351A
Authority
CH
Switzerland
Prior art keywords
aminopyridine
derivative
preparation
alcohol
alkali
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 CH214351A publication Critical patent/CH214351A/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)

Description


  Verfahren zur Darstellung eines Derivates des     2-Aminopyridins.       Die Erfindung betrifft     ein    Verfahren zur  Darstellung eines Derivates des     2-Amino-          py.ridinss,        walohes,d#aaduroh    gekennzeichnet ist,  dass man     2,-Brompyridin    mit einem     Alka-Ii-          sa.lz    des     p-Acetylaminobenzolsulfonamids    zur  Reaktion     bringt.    Das dabei     unter        Austritt     von     Alkalibromid    sich :

  bildende     2-(p-Acetyl-          aminobenzoIsulfonyl)-aminopyrridin    soll     thera-          peuti",#ch        verwendet    werden, da es sich, als  zur     Bekämpfung    von     gokkeninfektionen'          @vertvoll        erwiesen    hat.  



  Die     Darstellung    dieser     Verbindung    er  folgt     beispielsweise    folgendermassen:  15,8 g     2-Brompyridin    und 23,6 g     p-Ace-          tylam-inobenzolGulfonamid-Natrium    werden  mit wenig     Xylol    während 2 Stunden am       Rückfluss.kühler    erhitzt.     Hierauf        wird    das  vom     Xylol    getrennte     Reaktions;

  gemisoh    mit       Wasser    behandelt und das     zurückbleibende     2- (p     -Acetylaminobenzolsulfonyl)    -     aminopyri-          din        aus    heissem Alkohol     umkristallisiert.     



  Das     Verfahrensprodukt        bildet    farblose  Nadeln (aus Alkohol), die bei 220-222   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 Deriva- tes -des 2-Aminopyridins, .dadurch gekenn zeichnet, dass man 2-Brompyridin mit einem Alkalisalz des p-Acetylaminobenzolsulfon- amid6 zur Reaktion bringt, wobei unter Aus tritt von Alkalihromid 2-(p-Aeetylamä@no- benzolsulf(>nyl)
    -anminopyridingebildet wird. Das Verfahrensprodukt soll therapeu- tisch, insbesondere gegen gokkeninfektionen Verwendung finden. Es bildet farblose Nadeln (aus Alkohol), die bei 220-222' C schmelzen. Es ist leicht löslich in ver4ünn- ten ;Säuren und. Alkalien, wenig löslich in Alkohol, Azeton und Äther, sehr schwer lös lich in kaltem und warmem Wasser.
CH214351D 1938-08-30 1939-05-20 Verfahren zur Darstellung eines Derivates des 2-Aminopyridins. CH214351A (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH212060T 1938-08-30
CH214351T 1939-05-20

Publications (1)

Publication Number Publication Date
CH214351A true CH214351A (de) 1941-04-15

Family

ID=25725131

Family Applications (1)

Application Number Title Priority Date Filing Date
CH214351D CH214351A (de) 1938-08-30 1939-05-20 Verfahren zur Darstellung eines Derivates des 2-Aminopyridins.

Country Status (1)

Country Link
CH (1) CH214351A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003016309A1 (en) * 2001-08-17 2003-02-27 Merck & Co., Inc. Process for preparing 5-sulfonamido-8-hydroxy-1, 6-naphthyridine-7-carboxamides

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003016309A1 (en) * 2001-08-17 2003-02-27 Merck & Co., Inc. Process for preparing 5-sulfonamido-8-hydroxy-1, 6-naphthyridine-7-carboxamides

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