CH156000A - Process for the preparation of a condensation product which can be used as a reservation agent. - Google Patents

Process for the preparation of a condensation product which can be used as a reservation agent.

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Publication number
CH156000A
CH156000A CH156000DA CH156000A CH 156000 A CH156000 A CH 156000A CH 156000D A CH156000D A CH 156000DA CH 156000 A CH156000 A CH 156000A
Authority
CH
Switzerland
Prior art keywords
condensation product
aminobenzene
preparation
mol
reservation agent
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 CH156000A publication Critical patent/CH156000A/en

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  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Description

  

      Verfaltren    zur Darstellung eines als     Reservierungstaittel    verwendbaren       Kondensationsproduktes.       Es wurde gefunden,     dass    man zu einer  wertvollen Verbindung gelangt, die beispiels  weise als     Reservierungsmittel    für Wolle oder  Seide gegen     Aufärbung    mit     substantiven     Farbstoffen benutzt werden kann, wenn man  <B>1</B>     Mol.    der nach dem Schweizer Patent       Nr.   <B>154995</B> darstellbaren     Bis-(3-aminobenzol-          1-sulfonyl-        3'-amiiiobenzol-l'-sulfor)

  y1-3"-ami-          noberizol-l"-sulionyl)-4"',        4""-diaminostilben-          2"',        2""-disulfosäure    mit 2     Mol.        3-Nitro-          benzols(ilfochlorid    kondensiert, das erhaltene  Kondensationsprodukt zur     Diaminoverbindung     reduziert und diese mit 2     Mol,        1,2-Dieblor-          be.nzol-4-sulfochlorid    vereinigt.  



  <I>Beispiel:</I>  Die einem     Cwrammolekül    entsprechende  Menge der Bis-(3-aminobenzol-l-sulfonyl-3'       aminobeiizol-l'-sulfonyl-3"-amiiiobenzol-l"-sul-          fonyl-)-4"',        4""-diaminostilben-2"',    2""-disulfo-    säure wird am Rührwerk mit<B>15</B> Liter heissem  Wasser durch allmähliche Zugabe von etwa  130-140     gr    Soda schwach alkalisch in Lö  sung gebracht. Man setzt etwa<B>150</B>     gr    Kreide  und bei etwa<B>90 532</B>     gr        3-Nitrobeiizolsulfo-          chlorid    hinzu.

   Die Reaktion kommt nach  einiger Zeit in Gang, und unter starkem  Schäumen beginnt das Kondensationsprodukt  sich als zähflüssige Masse an der Oberfläche  der Brühe abzuscheiden. Man hält noch etwa  <B>1</B> Stunde bei<B>90-95 0,</B> säuert dann mit we  nig roher Salzsäure an und bringt die     Ernul-          sion    noch heiss auf eine gut verrührte, mit  Salzsäure     angeäzte        Anschlämmung    von<B>750</B>     gr     Eisenmehl in<B>90'</B> warmem Wasser. Die Re  duktionsmischung wird so lange bei<B>95-99 0</B>  verrührt, bis keine zähflüssigen Bestandteile  mehr in der Reduktionsbrühe wahrzunehmen  sind und der Eisenschlamm eine reine  schwarze Farbe angenommen hat.

   Man macht      dann mit Natronlauge stark alkalisch, saugt  noch heiss ab und bringt die     Diaminoverbin-          dung    durch Eintragen der klaren Brühe in  überschüssige rohe Salzsäure heraus. Abge  saugt und auf der     Nutsche    gewaschen, stellt  sie nach dem Trocknen ein fast weisses Pul-         ver    dar, das sich leicht     so-daalkalisch    irr     war-          niem    Wasser löst und beim     Diazotieren    eine  sehr schwach gelblich gefärbte, in kaltem  Wasser schwer lösliche     Tetrazoverbindung          bildei.    Das Produkt hat die Formel:

    
EMI0002.0011     
    Die einem Grammolekül entsprechende  Menge dieser Verbindung wird mit etwa der       30-fachen    Gewichtsmenge heissem Wasser  und 200     gr    Soda schwach     alkaliseh    in Lösung  gebracht und die Lösung nach Zugabe von  <B>160</B>     gr    Kreide bei<B>80-85 0</B> mit 614     gr        1,2-          Dichlorbenzol-4-sLilfoeblorid        unterRühren    ver  setzt. Die Reaktion beginnt nach kurzer Zeit  einzusetzen und das Kondensationsprodukt  kommt in zuerst zähflüssiger Form heraus.

    Man hält die Temperatur unter gutem Rüh  ren noch etwa<B>1</B> Stunde bei     90-95',    setzt  Salzsäure bis zur schwach kongosauren Re  aktion der Brühe zu,     lässt    erkalten und zieht  die klare überstehende Brühe von dem in    festen Krusten am Boden des Gefässes zu  rückbleibenden Kondensationsprodukt ab. Das  Kalksalz wird feucht pulverisiert,     abgenutscht     und mit etwa der     10-fachen    Gewichtsmenge  Wasser unter Hinzufügung der nötigen Menge  Soda in Lösung gebracht.

   Das hierbei aus  gefällte     Galeitimcüboiiat    -wird abgesaugt     und     die mit wenig Kochsalzlösung versetzte Brühe  mit Essigsäure angesäuert, wobei das     Natrium-          salz    der     Bis-(1,

  2-Dichloi-benzol-4-sulforiyl-3-          airinobenzol   <B>- l'-</B>     sulfonyl   <B>- P-</B>     aminobenzol        -l"-          sulfonyl   <B>-</B>     3"'-        aminobenzol   <B>-</B>     l"'-        sulfonyl   <B>- X'</B>     -          aminobenzol-        l""-sulfoiiyl)

  -4   <B>......</B>     4'#""-        diami-          nostilben-2   <B>......</B> 2<B>.......</B>     disulfosäure    von der  Formel    
EMI0003.0001     
    in zuerst zähflüssiger, bald bröcklig     kristal-          liniseh    werdender Form herauskommt. Es  bildet nach dem Absaugen und Trocknen ein  fast farbloses Pulver, das sich, wie auch das  entsprechende     Ammonsalz,    leicht in warmem  Wasser löst und in hohem Grade die Eigen  schaft besitzt, Wolle Lind Seide in Mischge  weben gegen die     Anfärbung    mit     substantiven     Farbstoffen zu schützen.



      Wrinkles for the presentation of a condensation product that can be used as a reservation device. It has been found that one arrives at a valuable compound which, for example, can be used as a reserve agent for wool or silk against coloring with substantive dyes, if one uses <B> 1 </B> Mol. The according to Swiss Patent No. < B> 154995 </B> representable bis- (3-aminobenzene- 1-sulfonyl- 3'-amiiiobenzene-l'-sulfor)

  y1-3 "-aminoberizol-1" -sulionyl) -4 "', 4" "- diaminostilbene-2"', 2 "" - disulfonic acid with 2 mol. 3-nitrobenzene (ilfochlorid condensed, the resulting condensation product reduced to the diamino compound and this combined with 2 mol, 1,2-Dieblor- be.nzol-4-sulfochloride.



  <I> Example: </I> The amount of bis- (3-aminobenzene-1-sulfonyl-3 'aminobeiizol-1'-sulfonyl-3 "-amiiiobenzene-1" -sulfonyl -) - 4 corresponding to a cwram molecule "', 4" "- diaminostilbene-2"', 2 "" - disulphonic acid becomes slightly alkaline in solution with <B> 15 </B> liters of hot water by gradually adding about 130-140 g of soda brought. About <B> 150 </B> g of chalk and <B> 90 532 </B> g of 3-nitrobeiizolsulfochloride are added.

   The reaction starts after a while, and the condensation product begins to separate out as a viscous mass on the surface of the broth with intense foaming. Hold for about <B> 1 </B> hour at <B> 90-95 0, </B> then acidify with a little crude hydrochloric acid and bring the emulsion, while still hot, to a well-mixed one that has been etched with hydrochloric acid Slurry <B> 750 </B> gr iron flour in <B> 90 '</B> warm water. The reduction mixture is stirred at <B> 95-99 0 </B> until no more viscous components can be perceived in the reduction broth and the iron sludge has turned a pure black color.

   It is then made strongly alkaline with sodium hydroxide solution, suctioned off while still hot and the diamino compound is brought out by adding the clear broth to excess crude hydrochloric acid. Sucked off and washed on the suction filter, it is an almost white powder after drying, which easily dissolves in such a way that it is alkaline in water and when diazotized it forms a very pale yellowish tetrazo compound that is sparingly soluble in cold water. The product has the formula:

    
EMI0002.0011
    The amount of this compound corresponding to one gram molecule is brought into solution with about 30 times the amount by weight of hot water and 200 g of weakly alkaline soda and the solution after the addition of 160 g of chalk at 80-85 ° </B> with 614 grams of 1,2-dichlorobenzene-4-silicate chloride while stirring. The reaction begins after a short time and the condensation product comes out in a viscous form at first.

    The temperature is maintained at 90-95 'for about 1 hour with thorough stirring, hydrochloric acid is added until the broth has a weak Congo acidic reaction, the broth is allowed to cool and the clear supernatant broth is removed from it in firm crusts condensation product remaining at the bottom of the vessel. The lime salt is pulverized wet, suction filtered and brought into solution with about 10 times the weight of water while adding the necessary amount of soda.

   The Galeitimcüboiiat precipitated in this process is suctioned off and the broth mixed with a little saline solution is acidified with acetic acid, the sodium salt of the bis (1,

  2-dichloi-benzene-4-sulforiyl-3-airinobenzene <B> - l'- </B> sulfonyl <B> - P- </B> aminobenzene -l "- sulfonyl <B> - </B> 3 "'- aminobenzene <B> - </B> l"' - sulfonyl <B> - X '</B> - aminobenzol- l "" - sulfoiiyl)

  -4 <B> ...... </B> 4 '# "" - diami- nostilbene-2 <B> ...... </B> 2 <B> ....... Disulfonic acid of the formula
EMI0003.0001
    comes out in initially viscous, soon crumbly crystalline form. After vacuuming and drying, it forms an almost colorless powder that, like the corresponding ammonium salt, dissolves easily in warm water and has the property to protect wool and silk in mixed fabrics against staining with substantive dyes.

 

Claims (1)

PATENTANSPRUCH: Verfahren zur Darstellung eines Konden sationsproduktes, dadurch gekennzeichnet, dass man <B>1</B> Mol. Bis-(3-aminobenzol-l-sulfoiiyl-3'- aminobenzol <B>- l-</B> sulfonyl <B>- V-</B> aminobenzol-l"- sulionyl)-4"', 4<B>..</B> #-diaminostilben-2"', 2""-di- sulfosäure mit 2 Mol. 3-Niti-o-benzolstilfochlo- rid kondensiert, Claim: Process for the preparation of a condensation product, characterized in that <B> 1 </B> mol. Bis- (3-aminobenzene-l-sulfoiiyl-3'-aminobenzene <B> - l- </B> sulfonyl <B> - V- </B> aminobenzene-1 "- sulionyl) -4" ', 4 <B> .. </B> # -diaminostilbene-2 "', 2" "- disulfonic acid with 2 mol . 3-Niti-o-benzolstilfochloride condensed, das erhaltene Kondensatioris- produkt zur Diaminoverbindung reduziert und diese mit 2 Mol. 1,2-Dichloi-benzol-4-sulfo- chloridvereinigt. Der so erhältliche ungefärbte Endstoff, der sich beispielsweise als Natrium- oder Ammoniumsalz in warmem Wasser löst, kann als Reservierungsmittel benutzt werden, da er in hohem Masse die Eigenschaft hat, the condensation product obtained is reduced to the diamino compound and this is combined with 2 moles of 1,2-dichlorobenzene-4-sulfochloride. The uncolored end product that can be obtained in this way, which dissolves in warm water as a sodium or ammonium salt, for example, can be used as a reservation agent because it has the property Wolle und Seide in Mischgeweben vor An- färbung mit substantiven Farbstoffen zu schützen. To protect wool and silk in mixed fabrics from staining with substantive dyes.
CH156000D 1929-03-30 1930-03-29 Process for the preparation of a condensation product which can be used as a reservation agent. CH156000A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE156000X 1929-03-30
CH153824T 1930-03-29

Publications (1)

Publication Number Publication Date
CH156000A true CH156000A (en) 1932-07-15

Family

ID=25716274

Family Applications (1)

Application Number Title Priority Date Filing Date
CH156000D CH156000A (en) 1929-03-30 1930-03-29 Process for the preparation of a condensation product which can be used as a reservation agent.

Country Status (1)

Country Link
CH (1) CH156000A (en)

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