CH140579A - Process for the preparation of a condensation product of the benzodiazine series. - Google Patents

Process for the preparation of a condensation product of the benzodiazine series.

Info

Publication number
CH140579A
CH140579A CH140579DA CH140579A CH 140579 A CH140579 A CH 140579A CH 140579D A CH140579D A CH 140579DA CH 140579 A CH140579 A CH 140579A
Authority
CH
Switzerland
Prior art keywords
preparation
series
condensation product
mol
benzodiazine
Prior art date
Application number
Other languages
German (de)
Inventor
Aktiengesellsc Farbenindustrie
Original Assignee
Ig Farbenindustrie Ag
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 Ig Farbenindustrie Ag filed Critical Ig Farbenindustrie Ag
Publication of CH140579A publication Critical patent/CH140579A/en

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Description

  

  Verfahren zur Darstellung eines Kondensationsproduktes der     Benzodiazinreihe.       Gegenstand vorliegender Erfindung ist  ein Verfahren zur     Darstellung    eines     Kon-          densationsproduktes,    der     Benzodiazinreihe,     dadurch     gekenuzeiahnet,        dal3    .man 1     Hol.          6-Methyl-2.        4-dihalo.genchinazolin    mit 1 Mal.       1-Amino-8-oxynaphtalin-3.6-disulfosäure    und  1     Mol.    Anilin kondensiert.

           Beispiel:       Man löst     3.1,1    Gewichtsteile des sauren       Natriumsa.lzes    der     1-Amino-8-oxynaphta.lin-          3.        6=disulfosäure    und 16,5     Gewichtsteile    Na  triumacetat in 400     Teilen    heissem Wasser.

    In die     gut        gerührte        Lösung        trägt    man bei  40' langsam     221g3        Gewichtsteile    fein     gepul-          vertes        6-Methyl-2.4-dichlorchinazolin    ein  und     steigert    die Temperatur im Verlaufe von  drei Stunden auf<B>60'.</B> Hier hält man,

   bis  keine     1-Amino-8-o.xyna.phtalin-3.6-disulfo-          säure    mehr     nachzuweisen        ist.    Jetzt gibt man  20 Teile     Anilin    zu und kocht vier bis fünf       Stunden.    am     Rüokflusskühler.    Die Reaktions-    masse     wird:    mit Soda     kräftig        alkalisch    ge  macht     und    das überschüssige     Anilin    mit  Wasserdampf abgeblasen.

   Beim Erkalten       sailzt    man das     Reaktionsprodukt        durch    Zu  gabe von     Kochsalz    aus     und    arbeitet wie       üblich,auf.    Der erhaltenen Verbindung kommt       als    Säure die     Formel    zu:  
EMI0001.0051     
    Sie löst sich leicht in verdünnter warmer       Sodalösung;    diese Lösung zeigt kleine Fluo-           reszenz,        isie    .kuppelt mit einem Molekül     Phe-          nyldia.zoniumahlorid    zu einem blauroten  Farbstoff.



  Process for the preparation of a condensation product of the benzodiazine series. The present invention relates to a process for the preparation of a condensation product, the benzodiazine series, which is characterized by the fact that one 1 Hol. 6-methyl-2. 4-dihalo.genchinazolin with 1 time. 1-Amino-8-oxynaphthalene-3,6-disulfonic acid and 1 mol. Aniline condensed.

           Example: 3.1.1 parts by weight of the acidic sodium salt of 1-amino-8-oxynaphta.lin- 3. 6 = disulfonic acid and 16.5 parts by weight of sodium acetate are dissolved in 400 parts of hot water.

    221g3 parts by weight of finely powdered 6-methyl-2,4-dichloroquinazoline are slowly added to the well-stirred solution at 40 'and the temperature is increased to <B> 60' over the course of three hours. </B> Here,

   until no more 1-amino-8-o.xyna.phtalin-3.6-disulphonic acid can be detected. Now you add 20 parts of aniline and cook for four to five hours. on the reflux cooler. The reaction mass is: made strongly alkaline with soda and the excess aniline is blown off with steam.

   When it cools down, the reaction product is removed by adding table salt and working up as usual. The compound obtained has the formula as an acid:
EMI0001.0051
    It dissolves easily in a dilute warm soda solution; this solution shows small fluorescence, it couples with a molecule of phenyldia.zonium ahloride to form a blue-red dye.

Claims (1)

PATENTANSPRUCH Verfahren zur Darstellung eines Xon- densationsproduktes der Benzodia.zinreihe, da,durah gekennzeiehnet, dass man 1 Mol. 6-Methyl-2. 4-diha,logenchina.zolin mit 1 Mol. 1-Amino-8-ogynaphtalin-3.6-.disulfosäure und 1 Mol. Anilin kuppelt. Dem neuen Kondensationsprodukt kommt als Säure die Formel: EMI0002.0020 zu. PATENT CLAIM Process for the preparation of a xondensation product of the benzodia.zine series, since it is marked by the fact that 1 mol. 6-methyl-2. 4-diha, logenchina.zoline with 1 mol. 1-amino-8-ogynaphthalene-3,6-.disulphonic acid and 1 mol. Aniline couples. The formula for the new condensation product is: EMI0002.0020 to. Sie löst sieh leicht in verdünnter warmer 9o.da.lösung; diese Lösung zeigt keine Fluo reszenz, sie kuppelt mit einem Molekül Ph.e- nvldia.zoniumchlorid zu einem blauroten Farbstoff. Sie sohl a;s: Zwischenprodukt für die Darstellung neuer Farbstoffe oder von Arzneimitteln Verwendung finden. It dissolves easily in a dilute, warm 90 ° solution; this solution shows no fluorescence, it couples with a molecule of Ph.e- nvldia.zonium chloride to form a blue-red dye. Sie sol a; s: Intermediate product for the production of new dyes or pharmaceuticals.
CH140579D 1926-12-22 1927-12-14 Process for the preparation of a condensation product of the benzodiazine series. CH140579A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE140579X 1926-12-22
CH133192T 1927-12-12

Publications (1)

Publication Number Publication Date
CH140579A true CH140579A (en) 1930-06-15

Family

ID=25712005

Family Applications (1)

Application Number Title Priority Date Filing Date
CH140579D CH140579A (en) 1926-12-22 1927-12-14 Process for the preparation of a condensation product of the benzodiazine series.

Country Status (1)

Country Link
CH (1) CH140579A (en)

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