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CH147707A - Process for the preparation of a derivative of dibenzpyrenquinone. - Google Patents

Process for the preparation of a derivative of dibenzpyrenquinone.

Info

Publication number
CH147707A
CH147707A CH147707DA CH147707A CH 147707 A CH147707 A CH 147707A CH 147707D A CH147707D A CH 147707DA CH 147707 A CH147707 A CH 147707A
Authority
CH
Switzerland
Prior art keywords
dibenzpyrenquinone
derivative
preparation
monoaminodibenzpyrenquinone
phosgene
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 CH147707A publication Critical patent/CH147707A/en

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

Description

  

  Verfahren zur Darstellung eines Derivates des     Dibenzpyrenchinons.       Im Hauptpatent ist ein Verfahren zur  Darstellung eines Derivates des     Dibenzpyren-          chinons    beschrieben, bei dem     Monoamino-          dibenzpyrenchinon    mit     Benzoylchlorid    be  handelt wird.  



  Es wurde nun gefunden, dass man eben  falls ein Derivat des     Dibenzpyrenchinons    von  ähnlichen, wertvollen Eigenschaften erhalten  kann, wenn man     Monoaminodibenzpyrenchi-          non,    erhältlich durch Nitrieren von     Dibenz-          pyrenchinon    von der Formel  
EMI0001.0012     
    in Nitrobenzol mit 96      /o        iger    Salpetersäure  bei 80-100<B>0 0</B> und Reduktion des erhaltenen    Nitrokörpers mit     Schwefelnatriumlösung    bei  90-100o C, mit     Phosgen    behandelt.  



  Der neue Körper stellt ein kristallines  Pulver dar, das sich in Schwefelsäure mit  karminroter Farbe löst und aus roter     Küpe     Baumwolle in kräftigen braunen Tönen von  vorzüglichen Echtheitseigenschaften, insbe  sondere sehr guter Waschechtheit, färbt.  



  <I>Beispiel:</I>  20 Gewichtsteile     Monoaminodibenzpyren-          chinon    werden in 400 Gewichtsteilen frischem  Nitrobenzol auf<B>180-1901</B> C unter Rühren  erwärmt. In das Gemisch wird zirka sechs  Stunden lang bei dieser Temperatur trockenes       Phosgen    eingeleitet. Nach dieser Zeit wird  der gebildete     Dibenzpyrenchinonylharristoff     bei etwa<B>1500</B> abgesaugt, mit Alkohol ge  waschen und getrocknet.



  Process for the preparation of a derivative of dibenzpyrenquinone. The main patent describes a process for the preparation of a derivative of dibenzpyrenquinone, in which monoaminodibenzpyrenquinone is treated with benzoyl chloride.



  It has now been found that a derivative of dibenzpyrenquinone with similar, valuable properties can also be obtained by using monoaminodibenzpyrenquinone, obtainable by nitrating dibenzpyrenquinone, of the formula
EMI0001.0012
    in nitrobenzene with 96% nitric acid at 80-100 <B> 0 0 </B> and reduction of the resulting nitro body with sodium sulphide solution at 90-100 ° C., treated with phosgene.



  The new body is a crystalline powder that dissolves in sulfuric acid with a carmine-red color and dyes cotton from a red vat in strong brown tones with excellent fastness properties, in particular very good washfastness.



  <I> Example: </I> 20 parts by weight of monoaminodibenzpyrenquinone are heated in 400 parts by weight of fresh nitrobenzene to <B> 180-1901 </B> C with stirring. Dry phosgene is passed into the mixture at this temperature for about six hours. After this time, the dibenzpyrenquinonyl resin formed is suctioned off at about 1500, washed with alcohol and dried.

Claims (1)

PATENTANSPRUCH Verfahren zur Darstellung eines Derivates des Dibenzpyrenchinons, dadurch g,kenn- zeichnet, dass man Monoaminodibenzpyren- chinon, wie es erhalten werden kann, PATENT CLAIM A method for the preparation of a derivative of dibenzpyrenquinone, characterized in that one monoaminodibenzpyrenquinone, as it can be obtained, durch Nitrieren von Dibenzpyrenchinon von der Formel EMI0002.0005 in Nitrobenzol mit 96 % iger Salpetersäure bei 80-100 0 C und Reduktion des erhaltenen Nitrokörpers mit Schwefelnatriumlösung bei <B>90-1000</B> C, mit Phosgen behandelt. by nitrating dibenzpyrenquinone of the formula EMI0002.0005 in nitrobenzene with 96% nitric acid at 80-100 ° C. and reduction of the resulting nitro body with sodium sulphide solution at 90-1000 C, treated with phosgene. Der neue Körper stellt ein kristallines Pulver dar, das sich in Schwefelsäure mit karminroter Farbe löst und aus roter Küpe Baumwolle in kräftigen braunen Tönen von vorzüglichen Echtheitseigenschaften, insbe sondere sehr guter Waschechtheit, färbt. The new body is a crystalline powder that dissolves in sulfuric acid with a carmine-red color and dyes cotton from a red vat in strong brown tones with excellent fastness properties, in particular very good washfastness.
CH147707D 1928-07-26 1929-07-13 Process for the preparation of a derivative of dibenzpyrenquinone. CH147707A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE260728X 1928-07-26
CH144577T 1929-06-24

Publications (1)

Publication Number Publication Date
CH147707A true CH147707A (en) 1931-06-15

Family

ID=25714490

Family Applications (2)

Application Number Title Priority Date Filing Date
CH147707D CH147707A (en) 1928-07-26 1929-07-13 Process for the preparation of a derivative of dibenzpyrenquinone.
CH147708D CH147708A (en) 1928-07-26 1929-07-16 Process for the preparation of a derivative of dibenzpyrenquinone.

Family Applications After (1)

Application Number Title Priority Date Filing Date
CH147708D CH147708A (en) 1928-07-26 1929-07-16 Process for the preparation of a derivative of dibenzpyrenquinone.

Country Status (1)

Country Link
CH (2) CH147707A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE112008002501T5 (en) 2007-09-24 2010-10-21 Schleuniger Holding Ag Method and device for producing long prefabricated electrical cables

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE112008002501T5 (en) 2007-09-24 2010-10-21 Schleuniger Holding Ag Method and device for producing long prefabricated electrical cables

Also Published As

Publication number Publication date
CH147708A (en) 1931-06-15

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