CH190717A - Process for the preparation of a new auxiliary substance. - Google Patents

Process for the preparation of a new auxiliary substance.

Info

Publication number
CH190717A
CH190717A CH190717DA CH190717A CH 190717 A CH190717 A CH 190717A CH 190717D A CH190717D A CH 190717DA CH 190717 A CH190717 A CH 190717A
Authority
CH
Switzerland
Prior art keywords
auxiliary substance
preparation
new auxiliary
new
dissolves
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 CH190717A publication Critical patent/CH190717A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D235/00—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, condensed with other rings
    • C07D235/02—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, condensed with other rings condensed with carbocyclic rings or ring systems
    • C07D235/04—Benzimidazoles; Hydrogenated benzimidazoles
    • C07D235/06—Benzimidazoles; Hydrogenated benzimidazoles with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached in position 2
    • C07D235/08—Radicals containing only hydrogen and carbon atoms

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Cosmetics (AREA)

Description

  

  Verfahren zur     Darstellung    eines neuen Hilfsstoffes.    Es wurde gefunden, dass man einen  neuen Hilfsstoff erhält, wenn man das     N-          111.'ethyl-,u-n-undecylbenzimidazol    mit     sulfie-          rend    wirkenden     Mitteln        behandelt.    Das neue  Produkt bildet in Form seines     Alkalisalzes     eine helle Masse, die sich in     \Va.sser    zu einer  klaren, stark schäumenden Lösung, die aus  gezeichnete Wasch-, Netz- und     Dispergier-          eigenschaften        besitzt,    löst.  



  Das ausgezeichnete     Schaumvermögen    der  neuen     Produkte    macht dasselbe zum Wa  schen     lebender    Haare besonders wertvoll. Es  kann ferner zur     Herstellung    von     Zahnpasten     oder von     Schaumlöschmitteln    verwendet  werden. '  <I>Beispiel:</I>  67,2 Teile eines Gemisches,     bestehend     hauptsächlich aus     ,u-n-Undecylben.zimidazot,     wie es .durch Erhitzen von technischer     Iiokos-          fettsäure    mit     o-Phenylendiamin    erhalten  wird, werden geschmolzen und auf 125    erhitzt.

   In die Schmelze lässt man sodann  25,2 Zeile     Dimethylsulfat    allmählich zu-    fliessen und erhitzt :das Gemisch, bis eine  Probe der     Reaktionsmasse    sich in angesäuer  tem Wasser klar auflöst. Die Reaktions  masse bildet nach dem Erstarren eine spröde,  leicht     pulverisierbare    Masse.  



  Man gibt zu 300 Teilen Schwefelsäure  bei 20 bis 25   allmählich 100 Teile des  nach dem vorigen Absatz erhaltenen     N-          Nethylbenzimidazolgemisches.    Die     Sulfonie-          rung    vollzieht sich schon teilweise während       ges        Eintragens;    sie wird durch     Hinzuflie-          ssenlas:sen    von etwa 50 Teilen     24%igem          Oleum    im Laufe von 2     bis    3 Stunden zu  Ende geführt.

   Sobald eine Probe     sich    in     ver-          ,dünnten        wässerigen    Alkalien klar und voll  ständig löst, .giesst man das     Sulfonierungs-          gemisch    auf Eis, filtriert und wäscht mit  Wasser. Die zurückbleibende     Sulfonsäure     wird in Wasser verteilt und mit     Natrium-          hydrogy.d    oder     -carbona.t    neutralisiert.



  Process for the preparation of a new auxiliary substance. It has been found that a new auxiliary is obtained if the N-111.'ethyl-, u-n-undecylbenzimidazole is treated with agents having a sulphurizing effect. The new product forms a light-colored mass in the form of its alkali salt, which dissolves in particular to form a clear, strongly foaming solution with excellent washing, wetting and dispersing properties.



  The excellent foaming power of the new products makes them particularly valuable for washing living hair. It can also be used to make toothpastes or foam extinguishers. '<I> Example: </I> 67.2 parts of a mixture consisting mainly of un-undecylbenzimidazote, as is obtained by heating technical-grade iocos fatty acid with o-phenylenediamine, are melted and heated to 125 .

   25.2 lines of dimethyl sulfate are then gradually poured into the melt and heated: the mixture until a sample of the reaction mass dissolves clearly in acidified water. The reaction mass forms after solidification a brittle, easily pulverizable mass.



  100 parts of the N-methylbenzimidazole mixture obtained according to the previous paragraph are gradually added to 300 parts of sulfuric acid at 20-25. The sulphonation already takes place partly during the whole entry; it is completed by allowing about 50 parts of 24% oleum to flow in over the course of 2 to 3 hours.

   As soon as a sample dissolves clearly and completely in dilute, aqueous alkalis, the sulfonation mixture is poured onto ice, filtered and washed with water. The remaining sulfonic acid is distributed in water and neutralized with sodium hydrogy.d or carbona.t.

Claims (1)

PATENTANSPRUCH: Verfahren zur Herstellung eines neuen Hilfsstoffes, dadurch gekennzeichnet, dass man das N-lllethyl-,u-n-un.decylbenzimidazol mit sulfierend wirkenden Mitteln behandelt. PATENT CLAIM: Process for the production of a new auxiliary substance, characterized in that the N-lllethyl-, u-n-and decylbenzimidazole is treated with sulphurizing agents. Das neue Produkt bildet in Form seines Alkalisalzes eine helle Masse, die sich in Wasser zu einer klaren, stark schäumenden Lösung, die ausgezeichnete Wasch-, Netz- und Disperbiereigensehaften besitzt, löst. In the form of its alkali salt, the new product forms a light-colored mass that dissolves in water to form a clear, strongly foaming solution that has excellent washing, wetting and dispersion properties.
CH190717D 1936-04-30 1936-04-30 Process for the preparation of a new auxiliary substance. CH190717A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH190717T 1936-04-30

Publications (1)

Publication Number Publication Date
CH190717A true CH190717A (en) 1937-05-15

Family

ID=4437173

Family Applications (1)

Application Number Title Priority Date Filing Date
CH190717D CH190717A (en) 1936-04-30 1936-04-30 Process for the preparation of a new auxiliary substance.

Country Status (1)

Country Link
CH (1) CH190717A (en)

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