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CH144197A - Process for the preparation of a compound which pulls on the cotton and can be diazotized on the fiber. - Google Patents

Process for the preparation of a compound which pulls on the cotton and can be diazotized on the fiber.

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Publication number
CH144197A
CH144197A CH144197DA CH144197A CH 144197 A CH144197 A CH 144197A CH 144197D A CH144197D A CH 144197DA CH 144197 A CH144197 A CH 144197A
Authority
CH
Switzerland
Prior art keywords
sep
cotton
fiber
pulls
compound
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 CH144197A publication Critical patent/CH144197A/en

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Description

  

  Verfahren zur Darstellung einer auf die     Baumwolle        ziehenden    und auf der Faser       diazotierbaren    Verbindung.    Das den Gegentand vorliegender     Er-          findzinb    bildende Verfahren ist     dadurch    ge  kennzeichnet,     da.ss    man aus zwei Molekülen  
EMI0001.0008     
  
    1. <SEP> . <SEP> 4-Di-(4'-nitrobenzoy <SEP> la.mino)-naPhtalin-6  sulf <SEP> osäure     
EMI0001.0009     
  
EMI0001.0010     
  
    (liii@eli <SEP> vorsichtige <SEP> Reduktion <SEP> je <SEP> einer <SEP> Nitro  ;

  @rü@jpe, <SEP> wobei <SEP> Bindung <SEP> zwischen <SEP> den <SEP> Stick  stoffatomen <SEP> stattfindet <SEP> und <SEP> eine <SEP> sich <SEP> an  #chliessende <SEP> Reduktion <SEP> der <SEP> beide
<tb>  Nitrogruppen <SEP> zu <SEP> Aminogruppen
<tb>  -ine <SEP> schwach <SEP> gelb <SEP> gefärbte <SEP> Verbindung <SEP> her  .stellt, <SEP> die <SEP> als <SEP> Natriumsalz <SEP> in <SEP> Wasser <SEP> leicht
<tb>  löslich <SEP> ist <SEP> und <SEP> aus <SEP> der <SEP> wässerigen <SEP> Lösung
<tb>  init <SEP> Massgelber <SEP> Farbe <SEP> auf <SEP> Baumwolle <SEP> zieht.
<tb>  Durch <SEP> Diazotieren <SEP> auf <SEP> der <SEP> Faser <SEP> und <SEP> Kup  peln <SEP> mit <SEP> 1-Phenyl-3-methyl-5-pyra.zolon <SEP> er-       hält     inan    ein kräftiges, lebhaftes,

       grünstichi-          ties    Gelb von sehr guter Wasch- und Licht  echtheit. Die beiden     Reduktionsreaktionen     kann man in einem Arbeitsgange ausführen.  <I>Beispiel:</I>  Man löst 53,6 Teile     1.4-Di-(4'-nitro-          benzoylamino)-naphtalin-6-sulfosä,ure    unter  Zusatz von 35 Teilen     'atriumhydroxyd-          lösung    40       Be    in 1000 Teilen heissem Was  ser, trägt eine wässerige Lösung von 16           "feilen        Glukose    ein und erhitzt eine halbe  Stunde auf 60 bis 70  .

   Die abgeschiedene  neue Verbindung wird von der Lauge ge  trennt und, gegebenenfalls nach dem Um  lösen aus Wasser, getrocknet.  



  Als     Reduldionsmittel    kann man unter  anderem auch     Natriumsulfid,        arsenige    Säure  oder Zinkstaub verwenden.



  Process for the preparation of a compound which pulls on the cotton and can be diazotized on the fiber. The process which forms the subject of the present invention is characterized in that one consists of two molecules
EMI0001.0008
  
    1. <SEP>. <SEP> 4-di- (4'-nitrobenzoy <SEP> la.mino) -naPhtalin-6 sulf <SEP> oic acid
EMI0001.0009
  
EMI0001.0010
  
    (liii @ eli <SEP> careful <SEP> reduction <SEP> each <SEP> one <SEP> nitro;

  @ rü @ jpe, <SEP> where <SEP> bond <SEP> takes place between <SEP> the <SEP> nitrogen atoms <SEP> <SEP> and <SEP> a <SEP> <SEP> followed by a <SEP > Reduction <SEP> of the <SEP> both
<tb> Nitro groups <SEP> to <SEP> amino groups
<tb> -a <SEP> weakly <SEP> yellow <SEP> colored <SEP> connection <SEP> creates, <SEP> the <SEP> as <SEP> sodium salt <SEP> in <SEP> water <SEP > easy
<tb> soluble <SEP> is <SEP> and <SEP> from <SEP> the <SEP> aqueous <SEP> solution
<tb> init <SEP> Mass yellow <SEP> color <SEP> on <SEP> cotton <SEP>.
<tb> By <SEP> diazotizing <SEP> on <SEP> the <SEP> fiber <SEP> and <SEP> coupling <SEP> with <SEP> 1-phenyl-3-methyl-5-pyra.zolon < SEP> gets a strong, lively,

       Green-tinged yellow with very good wash and light fastness. The two reduction reactions can be carried out in one operation. <I> Example: </I> 53.6 parts of 1,4-di- (4'-nitrobenzoylamino) naphthalene-6-sulfonic acid are dissolved with the addition of 35 parts of 40 Be atrium hydroxide solution in 1000 parts of hot What water, an aqueous solution of 16 "file glucose and heated to 60 to 70 for half an hour.

   The separated new compound is separated from the lye and, if necessary after the order dissolve from water, dried.



  Sodium sulfide, arsenic acid or zinc dust, among others, can also be used as reducing agents.

Claims (1)

PATENTANSPRUCH: Verfahren zur Darstellung einer auf die Baumwolle ziehenden und auf der Faser di- azotierbaren Verbindung, dadurch gekenn zeichnet, dass man aus zwei Molekülen 1 . PATENT CLAIM: Process for the preparation of a compound which pulls on the cotton and which can be diacotized on the fiber, characterized in that one consists of two molecules 1. 4'-Di-(4'-nitrobenzovlamino)-naphta.liii-6- sulf osäure EMI0002.0013 durch vorsichtige Reduktion je einer Nitro gruppe, wobei Bindung zwischen den Stick- stoffatomen stattfindet und eine sich an schliessende Reduktion der beiden übrig- bleibenden Nitrogruppen zu rlminogruppen eine schwach gelb gefärbte Verbindung her stellt, die als '-1, 4'-Di- (4'-nitrobenzovlamino) -naphta.liii-6-sulfonic acid EMI0002.0013 by careful reduction of one nitro group each, whereby binding takes place between the nitrogen atoms and a subsequent reduction of the two remaining nitro groups to amino groups produces a pale yellow-colored compound which is identified as' -1, '#atriumsalz in Wasser leicht löslich ist und aus der wässerigen Lösung mit Massgelber Farbe iiuf Baumwolle zieht. Durch Diazotieren auf der Faser und Kup- peln finit 1-Phent=l-3-meth- #7l-:i-pvrazolon er- hält inan ein hräftibe@. lebhaftes. grünstichi- ges Gelb. The sodium salt is easily soluble in water and pulls out of the aqueous solution with a solid yellow color on cotton. By diazotizing on the fiber and coupling finitely 1-phent = l-3-meth- # 7l-: i-pvrazolone gets inan an amperage. lively. greenish yellow. UNTERANSPRUCH: ?erfahren nach Patentanspruch. dadurch gekennzeichnet, dass miin die beiden Re duktionsreaktionen in einem Arbeitsgange ausführt. SUBCLAIM:? Learned according to patent claim. characterized in that miin carries out the two reduction reactions in one operation.
CH144197D 1928-01-18 1929-01-14 Process for the preparation of a compound which pulls on the cotton and can be diazotized on the fiber. CH144197A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE144197X 1928-01-18
CH140099T 1929-01-14

Publications (1)

Publication Number Publication Date
CH144197A true CH144197A (en) 1930-12-15

Family

ID=25713462

Family Applications (1)

Application Number Title Priority Date Filing Date
CH144197D CH144197A (en) 1928-01-18 1929-01-14 Process for the preparation of a compound which pulls on the cotton and can be diazotized on the fiber.

Country Status (1)

Country Link
CH (1) CH144197A (en)

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