CH199451A - Process for the preparation of an amine oxide. - Google Patents

Process for the preparation of an amine oxide.

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Publication number
CH199451A
CH199451A CH199451DA CH199451A CH 199451 A CH199451 A CH 199451A CH 199451D A CH199451D A CH 199451DA CH 199451 A CH199451 A CH 199451A
Authority
CH
Switzerland
Prior art keywords
stearoylamino
oxide
amine oxide
preparation
hexahydro
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 CH199451A publication Critical patent/CH199451A/en

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Description

  

  Verfahren zur Herstellung eines     Aminoayds.       Es wurde gefunden, dass man ein neues       Aminoxyd,    das     p-Stearoylamino-hexabydro-          dimethylanilin-oxyd,    erhält, wenn man das       p-Stearoylamino-hexahydro-dimethylanilin    mit  solchen Oxydationsmitteln behandelt, die ter  tiäre Amine in deren Oxyde überzuführen  vermögen.  



  Das     p-Stearoylamino-hexahydro-dimethyl-          anilinoxyd    bildet eine weisse Masse, die von  warmem Wasser unter Bildung einer klaren,       viskoeen        Lösung    aufgenommen wird. Die ver  dünnten Lösungen des     p-Stearoylamino-hexa-          hydro    -     dimethylanilinoxyds    besitzen ausser  ordentlich starke     kapillaraktive        Eigenscbaf-          ten,    so dass dieses     Aminoxyd    ein wertvolles  Hilfsmittel für die Textil- oder Veredlungs  industrie darstellt.  



  Das neue     Aminoxyd    verhält sich ähnlich  wie die bereits bekannten höher molekularen       Aminoxyde    der französischen Patentschrift  Nr. 786,911. Es war aber nicht vorauszusehen,  dass das neue     Aminoxyd    in glatter Weise  entstehen würde, denn, obschon hochmoleku-         lare,    aromatische     Dialkylamine,    wie z.

   B. das       1-Dodecyl-4-dimethylaminobenzol    oder das     4-          Dimethylamino-l-laurophenon,    sich glatt in  die entsprechenden tertiären     Aminoxyde    über  führen lassen, versagt diese Reaktion bei ihrer  Übertragung auf     monoacylierte        1-Amino-4-          diäthylaminobenzole.     



  <I>Beispiel:</I>  28,4 Teile     Stearinsäure    werden mit 14,2 Tei  len     Hexahydro-p-amino-dimethylaniliri    unter  Rühren im Stickstoffstrom während 5 Stun  den auf 190-200   erhitzt. Nach dieser Zeit  ist die berechnete Menge Wasser     abdestilliert.     Das Kondensationsprodukt wird im Vakuum  destilliert. Es     siedetbei   <B>227-2300</B> bei 0,07 mm  Druck.  



  8 Teile des wie oben beschrieben herge  stellten     Kondensationsproduktes    werden in  50     Vol.-Teilen    Azeton gelöst und nach Zu  gabe von 3,1 Teilen einer Wasserstoffsuper  oxydlösung, deren Gehalt 27,6      /o    an     H202     beträgt, während 15 Stunden unter     Rückfluss         zum Kochen erhitzt. Während des     Erhitzens     fällt ein Teil des Oxydes aus. Nach dem Ab  kühlen des Reaktionsgemisches wird     filtriert     und der Rückstand im Vakuum bei 70-80    getrocknet. Das     Aminoxyd    bildet eine weisse  Masse und löst sich in warmem Wasser unter  Bildung einer viskosen Lösung klar auf.



  Process for the preparation of an amino acid. It has been found that a new amine oxide, the p-stearoylamino-hexabydrodimethylaniline oxide, is obtained if the p-stearoylamino-hexahydro-dimethylaniline is treated with oxidizing agents which are capable of converting tertiary amines into their oxides.



  The p-stearoylamino-hexahydro-dimethyl-aniline oxide forms a white mass which is absorbed by warm water to form a clear, viscous solution. The dilute solutions of p-stearoylamino-hexa-hydro-dimethylaniline oxide have extremely strong capillary-active properties, so that this amine oxide is a valuable aid for the textile and finishing industry.



  The new amine oxide behaves similarly to the already known higher molecular weight amine oxides of French patent specification No. 786,911. However, it was not to be foreseen that the new amine oxide would arise in a smooth manner, because although high-molecular, aromatic dialkylamines, such as e.g.

   B. 1-dodecyl-4-dimethylaminobenzene or 4-dimethylamino-l-laurophenone, can be carried out smoothly into the corresponding tertiary amine oxides, this reaction fails when it is transferred to monoacylated 1-amino-4-diethylaminobenzenes.



  <I> Example: </I> 28.4 parts of stearic acid are heated with 14.2 parts of hexahydro-p-amino-dimethylaniliri with stirring in a stream of nitrogen for 5 hours to 190-200. After this time the calculated amount of water has distilled off. The condensation product is distilled in vacuo. It boils at <B> 227-2300 </B> at 0.07 mm pressure.



  8 parts of the condensation product prepared as described above are dissolved in 50 parts by volume of acetone and, after addition of 3.1 parts of a hydrogen superoxide solution, the content of which is 27.6 / o of H 2 O 2, heated to boiling under reflux for 15 hours . Some of the oxide precipitates out during the heating process. After the reaction mixture has cooled, it is filtered and the residue is dried in vacuo at 70-80. The amine oxide forms a white mass and dissolves clearly in warm water to form a viscous solution.

 

Claims (1)

PATENTANSPRUCH: Verfahren zur Herstellung eines neuen Aminoxyds, des p-Stearoylamino-hexahydro- dimethylanilinoxyds, dadurch gekennzeichnet, dass man das p-Stearoylamino-hexahydro-di- methylanilin mit solchen Oxydationsmitteln behandelt, die tertiäre Amine in deren Oxyde überzuführen vermögen. PATENT CLAIM: Process for the preparation of a new amine oxide, p-stearoylamino-hexahydrodimethylaniline oxide, characterized in that the p-stearoylamino-hexahydro-dimethylaniline is treated with oxidizing agents capable of converting tertiary amines into their oxides. Das p-Stearoylamino-hexahydro-dimethyl- anilinoxyd" bildet eine weisse Masse, die von <B>warmem Wasser</B> unter <B>Bildung</B> einer<B>klaren,</B> viakoaen Lösung aufgenommen wird. Die ver dünnten Lösungen des p-Stearoylamino-hexa- hydro-dimethylaniiinoxyda besitzen <B>ausser-</B> ordentlich starke kapillaraktiveEigenschaften, so dass dieses Aminoxyd ein wertvolles Hilfs mittel für die Textil- oder Veredlungsindu strie darstellt. The p-stearoylamino-hexahydro-dimethyl-aniline oxide "forms a white mass that is absorbed by <B> warm water </B> with <B> formation </B> of a <B> clear </B> viacoaen solution The diluted solutions of p-stearoylamino-hexa-hydro-dimethylaniiinoxide have exceptionally strong capillary-active properties, so that this amine oxide is a valuable aid for the textile or finishing industry.
CH199451D 1937-06-01 1937-06-01 Process for the preparation of an amine oxide. CH199451A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH199451T 1937-06-01

Publications (1)

Publication Number Publication Date
CH199451A true CH199451A (en) 1938-08-31

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Application Number Title Priority Date Filing Date
CH199451D CH199451A (en) 1937-06-01 1937-06-01 Process for the preparation of an amine oxide.

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CH (1) CH199451A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3047579A (en) * 1958-07-18 1962-07-31 Shell Oil Co Process for preparing n-oxides

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3047579A (en) * 1958-07-18 1962-07-31 Shell Oil Co Process for preparing n-oxides

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