CH151565A - Process for the preparation of an oxygen-containing, polycyclic compound. - Google Patents

Process for the preparation of an oxygen-containing, polycyclic compound.

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Publication number
CH151565A
CH151565A CH151565DA CH151565A CH 151565 A CH151565 A CH 151565A CH 151565D A CH151565D A CH 151565DA CH 151565 A CH151565 A CH 151565A
Authority
CH
Switzerland
Prior art keywords
oxygen
polycyclic compound
preparation
binding agent
weakly alkaline
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 CH151565A publication Critical patent/CH151565A/en

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

Description

  

  Verfahren     zur    Darstellung einer sauerstoffhaltigen,     polyzyhlisehen    Verbindung.    Gegenstand dieses Patentes ist ein Ver  fahren zur Darstellung einer sauerstoffhal  tigen, polyzyklischen Verbindung, welches  dadurch gekennzeichnet ist, dass man     Di-          (2',        4'-dichlorbenzoyl)-1.4-naphtalin    in Gegen  wart eines schwach alkalisch wirkenden,  säurebindenden Mittels auf höhere Tempera  tur erhitzt.  



       Beispiel:     1 'feil     Di-(2',        4'-dichlorbenzoyl)-1.4-naph-          talin    von     folLyender    Formel:  
EMI0001.0011     
    (dargestellt durch Kondensation von     m-Di-          chlorbenzol    mit     Naphtalin-1.4-dikarbonsäure-          chlorid,    F. P. 188-189   C) wird mit 3 Tei  len Soda, vorteilhaft bei etwa 350   C, so  lange erhitzt, bis eine Sublimation von orange  rotem     Farbstoff    erfolgt. Man setzt das Er  hitzen eine Zeit fort und gibt in Wasser.

    Das gebildete     Dichlordibenzpyrenchinon    von  folgender Formel  
EMI0001.0018     
    reinigt man durch     Umküpen    oder Umkristal  lisation aus Nitrobenzol.      Statt Soda lässt sich auch     galiumacetat     verwenden.



  Process for the preparation of an oxygen-containing, polycyclic compound. The subject of this patent is a process for the preparation of an oxygen-containing, polycyclic compound, which is characterized in that di- (2 ', 4'-dichlorobenzoyl) -1.4-naphthalene in the presence of a weakly alkaline acid-binding agent to higher levels Tempera ture heated.



       Example: 1 'feil di- (2', 4'-dichlorobenzoyl) -1.4-naphthalene from folLyender formula:
EMI0001.0011
    (represented by the condensation of m-dichlorobenzene with naphthalene-1,4-dicarboxylic acid chloride, FP 188-189 C) is heated with 3 parts of soda, advantageously at about 350 C, until a sublimation of orange-red dye occurs . The heating is continued for a while and poured into water.

    The dichlorodibenzpyrenquinone formed of the following formula
EMI0001.0018
    cleaned by Umküpen or Umkristal lization from nitrobenzene. Galium acetate can also be used instead of soda.

Claims (1)

PATENTANSPRUCH Verfahren zur Darstellung einer sauer- stoffhaltigen, polyzyklischen Verbindung. da durch gekennzeichnet, dass man Di-(2', 4' dichlorbenzoyl)-1..4-naphtalin in Gegenwart eines schwach alkalisch wirkenden, säure bindenden Mittels auf höhere Temperatur erhitzt. UNTERANSPRüCHE: 1. Verfahren nach Patentanspruch, dadurch gekennzeichnet, dass man Natriumkarbonat als schwach alkalisch wirkendes, säure bindendes Mittel verwendet. 2. PATENT CLAIM Process for the production of an oxygen-containing, polycyclic compound. as characterized in that di- (2 ', 4' dichlorobenzoyl) -1..4-naphthalene is heated to a higher temperature in the presence of a weakly alkaline acid-binding agent. SUBClaims: 1. Method according to claim, characterized in that sodium carbonate is used as a weakly alkaline, acid-binding agent. 2. Verfahren nach Patentansprueh, dadurch gekennzeichnet, dass man die Umsetzung bei einer Temperatur von<B>3500</B> C vor nimmt. Process according to patent claim, characterized in that the reaction is carried out at a temperature of <B> 3500 </B> C.
CH151565D 1929-08-08 1930-07-28 Process for the preparation of an oxygen-containing, polycyclic compound. CH151565A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE151565X 1929-08-08
CH149711T 1930-07-28

Publications (1)

Publication Number Publication Date
CH151565A true CH151565A (en) 1931-12-15

Family

ID=25715489

Family Applications (1)

Application Number Title Priority Date Filing Date
CH151565D CH151565A (en) 1929-08-08 1930-07-28 Process for the preparation of an oxygen-containing, polycyclic compound.

Country Status (1)

Country Link
CH (1) CH151565A (en)

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