CH133797A - Process for the preparation of an oxydiaryl ketone. - Google Patents

Process for the preparation of an oxydiaryl ketone.

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Publication number
CH133797A
CH133797A CH133797DA CH133797A CH 133797 A CH133797 A CH 133797A CH 133797D A CH133797D A CH 133797DA CH 133797 A CH133797 A CH 133797A
Authority
CH
Switzerland
Prior art keywords
oxydiaryl
ketone
preparation
chloride
benzene
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 CH133797A publication Critical patent/CH133797A/en

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

Description

  

  Verfahren zur Darstellung eines     Ogydiarylketons.       Es wurde gefunden, dass es gelingt,     Oxy-          diarylketone    durch Kondensation von     Oxy-          aroylhalogeniden    mit aromatischen Kohlen  wasserstoffen oder deren geeigneten     Substi-          tutionsprodukten    unter Zusatz saurer Konden  sationsmittel, insbesondere von Aluminium  chlorid, zu erhalten.  



  Es ist eine überraschende Tatsache, dass  eine solche Kondensation in guter Ausbeute  unter Bildung einheitlicher Produkte vor sich  geht.  



  Vor-liegendes Patent bezieht sich nun auf  ein Verfahren zur Darstellung eines     Oxydiaryl-          ketons,    dadurch gekennzeichnet, dass man       2.3-Oxynaphthoylchlorid    mit Benzol in Ge  genwart eines sauren Kondensationsmittels  kondensiert.  



  Das so erhaltene     2.3-Oxynaphthophenon     kristallisiert aus Alkohol oder     Ligroin    und  schmilzt bei<B>161-1620</B>     (vergl.    Berichte der  deutschen chemischen Gesellschaft 58, 2122.    <I>Beispiel:</I>    210 Teile     2.3-Oxynaphthoylchlorid    wer  den in 1000 Teilen trockenem,     thiophenfreien     Benzol gelöst, unter Rühren 220 Teile Alu  miniumchlorid eingetragen und das Reaktions  gemisch etwa 2 Stunden auf 70--75   erhitzt.  Das Reaktionsprodukt wird sodann in Wasser  eingetragen und das überschüssige Benzol  durch     Wasserdampfdestillation    entfernt.

   Der  Rückstand wird     abfiltriert,    nach dem Aus  waschen in heisser verdünnter Natronlauge  aufgenommen, filtriert und aus der     natron-          alkalischen    Lösung das     2.3-Oxynaphthophenorr     mit Kohlensäure gefällt. Die Kondensation  kann auch unter Zusatz von Chlorzink er  folgen.



  Process for the preparation of an ogydiaryl ketone. It has been found that it is possible to obtain oxydiaryl ketones by condensing oxy aroyl halides with aromatic hydrocarbons or their suitable substitution products with the addition of acidic condensation agents, in particular aluminum chloride.



  It is a surprising fact that such condensation occurs in good yield to form uniform products.



  The present patent relates to a process for the preparation of an oxydiaryl ketone, characterized in that 2,3-oxynaphthoyl chloride is condensed with benzene in the presence of an acidic condensing agent.



  The 2,3-oxynaphthophenone obtained in this way crystallizes from alcohol or ligroin and melts at <B> 161-1620 </B> (see reports from the German chemical society 58, 2122. <I> Example: </I> 210 parts of 2,3-oxynaphthoyl chloride who dissolved in 1000 parts of dry, thiophene-free benzene, added 220 parts of aluminum chloride with stirring and the reaction mixture was heated for about 2 hours to 70-75. The reaction product is then added to water and the excess benzene is removed by steam distillation.

   The residue is filtered off, after washing taken up in hot dilute sodium hydroxide solution, filtered and the 2,3-Oxynaphthophenorr precipitated from the sodium-alkaline solution with carbonic acid. The condensation can also follow with the addition of zinc chloride.

 

Claims (1)

PATENTANSPRUCH: Verfahren zur Darstellung eines Oxydi- arylketons, dadurch gekennzeichnet, dass man 2.3-Oxynaphthoylchlorid mit Benzol in Ge genwart eines sauren Kondensationsmittels kondensiert. Das so erhaltene 2.3-Oxynaphthophenon kristallisiert aus Alkohol oder Ligroin und schmilzt bei 161-162" PATENT CLAIM: Process for the preparation of an oxydiaryl ketone, characterized in that 2,3-oxynaphthoyl chloride is condensed with benzene in the presence of an acidic condensing agent. The 2,3-oxynaphthophenone thus obtained crystallizes from alcohol or ligroin and melts at 161-162 "
CH133797D 1927-01-03 1927-12-14 Process for the preparation of an oxydiaryl ketone. CH133797A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE133797X 1927-01-03

Publications (1)

Publication Number Publication Date
CH133797A true CH133797A (en) 1929-06-30

Family

ID=5665159

Family Applications (1)

Application Number Title Priority Date Filing Date
CH133797D CH133797A (en) 1927-01-03 1927-12-14 Process for the preparation of an oxydiaryl ketone.

Country Status (1)

Country Link
CH (1) CH133797A (en)

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