CH201286A - Process for the production of a new condensation product. - Google Patents

Process for the production of a new condensation product.

Info

Publication number
CH201286A
CH201286A CH201286DA CH201286A CH 201286 A CH201286 A CH 201286A CH 201286D A CH201286D A CH 201286DA CH 201286 A CH201286 A CH 201286A
Authority
CH
Switzerland
Prior art keywords
condensation product
new condensation
production
nitrobenzene
valuable
Prior art date
Application number
Other languages
German (de)
Inventor
Gesellschaft Fuer Chemis Basel
Original Assignee
Chem Ind Basel
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 Chem Ind Basel filed Critical Chem Ind Basel
Publication of CH201286A publication Critical patent/CH201286A/en

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C233/00—Carboxylic acid amides

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Description

  

  Verfahren zur Herstellung eines neuen Kondensationsproduktes.    Es wurde gefunden, dass man     ein    neues       Kondensationsprodukt,        das        Axylid        aus    Acet-         essigsäum    und     1-Cinnamoylamino-4-amino,-          benzol    der Formel  
EMI0001.0009     
         erhält,    wenn man auf     1-Cinnamoylamino-          4-aminobenzo1        Aeetessigester        einwirken    lässt.  



       Das    neue     Kondensationsprodukt    stellt ein  weissliches     Pulver        dar,        dass    in verdünnter,       wäss        eri@ger        alkoholisoher    Natronlauge mit       gelblicher        Farbe    löslich     ist.    Es ist auch ein       wertvolles        Zwischenprodukt    zur     Herstellung     von Farbstoffen.

       Wird    es     nämlich    auf der  Faser mit     1-Diazo-2-methoxy-4-nitrobenzol     oder     1-Diazo-2-methyl-4-nitrobenzol    gekup  pelt, so. entstehen     wertvolle        goldorange          bezw.        grunstichi.g        gelbe    Färbungen.  



  <I>Beispiel:</I>  23,8 Teile     1-Cinnamoylamina-4-amino-          benzol    werden in etwa     200    Teilen     Chlor-          benzol    auf     etwa   <B>IN'</B>     erwäarmt.    Man     gibt            unter        Rühren        innert    etwa     einer        Stunde    18  Teile     Acetessigester    zu.

   Man     kondensiert    bis  zur beendigten     Alkoholabspaltung,    d. h. etwa  vier     Stunden    bei 128     bis   <B>132',</B> lässt     erkaHen          und        destilliert    das Chlorbenzol mit Wasser  dampf ab.

   Das     ass        Rückstand        verbleibende          unlösliche        Kondensationsprodukt        wird        ge-          nutscht    und durch Anreiben mit Alko  hol,     Übergiessen    mit     verdünnter        wässeriger          Natriumhydroxydlösung,    Filtrieren der so       erhaltenen    Lösung     und    Fällen des     Filtrates     ,gereinigt.



  Process for the production of a new condensation product. It has been found that a new condensation product, the axylid from Acet- acetic hem and 1-cinnamoylamino-4-amino-benzene of the formula
EMI0001.0009
         obtained when 1-cinnamoylamino-4-aminobenzo1 is allowed to act on acetic acid ester.



       The new condensation product is a whitish powder that is soluble in dilute, aqueous, alcoholic sodium hydroxide solution with a yellowish color. It is also a valuable intermediate in the manufacture of dyes.

       If it is kup pelt on the fiber with 1-diazo-2-methoxy-4-nitrobenzene or 1-diazo-2-methyl-4-nitrobenzene, so. valuable golden orange or grunstichi.g yellow colorations.



  <I> Example: </I> 23.8 parts of 1-cinnamoylamina-4-aminobenzene are heated to about <B> IN '</B> in about 200 parts of chlorobenzene. While stirring, 18 parts of acetoacetic ester are added within about an hour.

   Condensation is carried out until the elimination of alcohol has ended, d. H. about four hours at 128 to <B> 132 ', </B> lets it down and distills the chlorobenzene with steam.

   The insoluble condensation product remaining is filtered off with suction and purified by triturating with alcohol, pouring over dilute aqueous sodium hydroxide solution, filtering the solution thus obtained and precipitating the filtrate.

Claims (1)

PATENTANSPRUCH: Verfahrnen zur Herstellung eines neuen Kondensationsproduktes, das Arylid aus Aoetessig, PATENT CLAIM: Process for the production of a new condensation product, the arylide from Aoeto vinegar säure und 1-Cänna.moylamino-4- amimnQbenzal der Formel EMI0002.0001 dadurch gekennzeichnet. da.ss man auf 1- Cinnamoylamäno-4-aminobenzol Acetessig- ester einwirken lässt. Daes neue Kondensationsprodukt stellt ein weissliches Pulver dar, das in verdünnter, wässeriger alkoholischer Natronlauge mit gelblicher Farbe löslich ist. acid and 1-Cänna.moylamino-4-amimnQbenzal of the formula EMI0002.0001 characterized. that 1-cinnamoylamano-4-aminobenzene acetoacetic ester is allowed to act. The new condensation product is a whitish powder that is soluble in dilute, aqueous alcoholic caustic soda with a yellowish color. Es ist auch ein wertvolles Zwischenprodukt zur Herstellung von Farbstoffen. Wird es nämlich auf der Faser mit 1-Diazo-?-methogv-l-nitrobenzol oder 1-1)iazo-2-methyl-4-nitrobenzol gekup- helt, so entstehen wertvolle goldorange beziv. grünstiehig gelbe Färbungen. It is also a valuable intermediate in the manufacture of dyes. If it is coupled with 1-diazo-? - methogv-l-nitrobenzene or 1-1) iazo-2-methyl-4-nitrobenzene on the fiber, valuable golden orange beziv is produced. greenish yellow colorations.
CH201286D 1937-11-10 1937-11-10 Process for the production of a new condensation product. CH201286A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH201286T 1937-11-10

Publications (1)

Publication Number Publication Date
CH201286A true CH201286A (en) 1938-11-30

Family

ID=4442715

Family Applications (1)

Application Number Title Priority Date Filing Date
CH201286D CH201286A (en) 1937-11-10 1937-11-10 Process for the production of a new condensation product.

Country Status (1)

Country Link
CH (1) CH201286A (en)

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