CH209511A - Process for the preparation of an aminoarylsulfone. - Google Patents

Process for the preparation of an aminoarylsulfone.

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Publication number
CH209511A
CH209511A CH209511DA CH209511A CH 209511 A CH209511 A CH 209511A CH 209511D A CH209511D A CH 209511DA CH 209511 A CH209511 A CH 209511A
Authority
CH
Switzerland
Prior art keywords
sulfone
aminoarylsulfone
preparation
production
dimethylamine
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 CH209511A publication Critical patent/CH209511A/en

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

Description

  

  Verfahren zur Herstellung eines     Aminoarylsulfons.       Vorliegendes Patent bezieht sich auf ein  Verfahren zur Herstellung eines     Aminoaryl-          sulfons,    dadurch gekennzeichnet, dass man       4.4'-Dichlordiphenylsulfon    mit     Dimethylamin     kondensiert.  



  Das so erhaltene, bisher unbekannte     4.4'-          Tetramethyldiaminodiphenylsulfon    kristalli  siert aus     o-Dichlorbenzol    in farblosen Blätt  chen vom Schmelzpunkt 259-260o C und  soll als Zwischenprodukt zur Herstellung von  Farbstoffen und Heilmitteln Verwendung  finden.  



       Beispiel:     100 Teile     4.4'-Dichlordiphenylsulfon    wer  den mit 600 Teilen einer 30     o/oigen    wässerigen       Dimethylaminlösung    etwa 20 Stunden in einem  Druckgefäss auf etwa 200<B>0</B> C erhitzt. Das    Reaktionsprodukt wird nach dem Erkalten  abgesaugt, gewaschen und getrocknet.



  Process for the preparation of an aminoarylsulfone. The present patent relates to a process for the production of an aminoaryl sulfone, characterized in that 4,4'-dichlorodiphenyl sulfone is condensed with dimethylamine.



  The previously unknown 4,4'-tetramethyldiaminodiphenyl sulfone obtained in this way crystallizes from o-dichlorobenzene in colorless leaves with a melting point of 259-260 ° C. and is intended to be used as an intermediate for the production of dyes and medicinal products.



       Example: 100 parts of 4,4'-dichlorodiphenylsulfone are heated with 600 parts of a 30% aqueous dimethylamine solution in a pressure vessel to about 200 ° C. for about 20 hours. After cooling, the reaction product is filtered off with suction, washed and dried.

Claims (1)

PATENTANSPRUCFI Verfahren zur Herstellung eines Amino- arylsulfons, dadurch gekennzeichnet, dass man 4 . 4'-Dichlordiphenylsulfon mit Dimethylamin kondensiert. Das so erhaltene, bisher unbekannte 4.4'- Tetramethyldiaminodiphenylsulfon kristalli siert aus o-Dichlorbenzol in farblosen Blätt chen vom Schmelzpunkt 259-260o C und soll als Zwischenprodukt zur Herstellung von Farbstoffen und Heilmitteln Verwendung finden. PATENT CLAIMS Process for the production of an aminoaryl sulfone, characterized in that 4. 4'-dichlorodiphenyl sulfone condensed with dimethylamine. The previously unknown 4,4'-tetramethyldiaminodiphenyl sulfone obtained in this way crystallizes from o-dichlorobenzene in colorless leaves with a melting point of 259-260 ° C. and is intended to be used as an intermediate for the production of dyes and medicinal products.
CH209511D 1937-10-22 1938-09-26 Process for the preparation of an aminoarylsulfone. CH209511A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE209511X 1937-10-22
CH200367T 1938-09-26

Publications (1)

Publication Number Publication Date
CH209511A true CH209511A (en) 1940-04-15

Family

ID=25723464

Family Applications (1)

Application Number Title Priority Date Filing Date
CH209511D CH209511A (en) 1937-10-22 1938-09-26 Process for the preparation of an aminoarylsulfone.

Country Status (1)

Country Link
CH (1) CH209511A (en)

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