CH136261A - Process for the preparation of a valuable vat dye. - Google Patents

Process for the preparation of a valuable vat dye.

Info

Publication number
CH136261A
CH136261A CH136261DA CH136261A CH 136261 A CH136261 A CH 136261A CH 136261D A CH136261D A CH 136261DA CH 136261 A CH136261 A CH 136261A
Authority
CH
Switzerland
Prior art keywords
condensation
carried out
vat dye
preparation
aminodibenzanthrone
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
Priority claimed from DEI30887A external-priority patent/DE525109C/en
Application filed by Ig Farbenindustrie Ag filed Critical Ig Farbenindustrie Ag
Publication of CH136261A publication Critical patent/CH136261A/en

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  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Coloring (AREA)

Description

  

  Verfahren zur Darstellung eines wertvollen     Küpenfarbstoffes.       Im Hauptpatent ist ein Verfahren zur  Darstellung eines wertvollen     Küpenfarbstoffes     beschrieben, bei dem     Aminodibenzanthron,     das erhalten werden kann durch Reduktion  des durch Nitrieren von     Dibenzanthron    ent  stehenden     Mononitrodibenzanthrons,    mit einem  in     1-Stellung    negativ substituierten     Anthra-          chinon    kondensiert wird.  



  Es wurde nun gefunden, dass man einen  ähnlichen wertvollen     Küpenfarbstoff    erhält,  wenn man     Aminodibenzanthron,    das erhalten  werden kann durch Reduktion des durch Nitrie  ren von     Dibenzanthron    entstehenden     Mononitro-          dibenzanthrons,    mit einem in     1-5-Stellung     negativ substituierten     Anthrachinon    konden  siert. Die Kondensation führt man zweck  mässig in hochsiedenden     Lösungs-    oder Ver  dünnungsmitteln aus, und man kann hierbei  auch säurebindende Mittel zusetzen.

   Vielfach  ist die Anwendung von Katalysatoren vor  teilhaft, als welche beispielsweise Gemische    von     Natriumacetat    und Kupfersalzen benutzt  werden können.  



  Der neue     Küpenfarbstoff    ist ein schwarzes  Pulver; er ist in konzentrierter Schwefelsäure  mit violetter Farbe löslich und     färbt    Baum  wolle aus blauer     Küpe    in grauen bis schwarzen,  hervorragend echten Tönen.         Beispiel:     Man suspendiert 94 Teile des     Aminodi-          benzanthrons    in 1000 Teilen Nitrobenzol,  gibt 30 Teile     Natriumacetat,    7 Teile Kupfer  oxyd und 28 Teile     1.5-Dichloranthrachinon     zu, worauf man unter Rühren so lange kocht,  bis das entstandene Reaktionsprodukt prak  tisch halogenfrei ist. Man arbeitet sodann  in der üblichen Weise auf.  



  Man kann das     Aminodibenzanthron    wäh  rend der Reaktion, aus der entsprechenden  Nitroverbindung und einem Reduktionsmittel,      zum Beispiel     Hydrazinhydrat    oder Schwefel,  erzeugen.  



  Statt des 1     .5-Dichloranthrachinons    kann  man auch 30 Teile     1.5-Dinitroarithrachinon     verwenden. In diesem Falle muss von dem  fertigen     Aminodibenzanthron    ausgegangen  werden, oder die Reduktion des     Nitrodiben-          zanthrons    zu     Aminodibenzanthron    schon vor  Zugabe des 1.     5-Dinitroanthrachinons    zu Ende  geführt sein.



  Process for the preparation of a valuable vat dye. The main patent describes a process for the preparation of a valuable vat dye in which aminodibenzanthrone, which can be obtained by reducing the mononitrodibenzanthrone produced by nitrating dibenzanthrone, is condensed with an anthraquinone negatively substituted in the 1-position.



  It has now been found that a similar valuable vat dye is obtained if aminodibenzanthrone, which can be obtained by reducing the mononitrodibenzanthrone formed by nitriding of dibenzanthrone, is condensed with an anthraquinone negatively substituted in the 1-5 position. The condensation is conveniently carried out in high-boiling solvents or diluents, and acid-binding agents can also be added.

   In many cases, the use of catalysts is advantageous, as which, for example, mixtures of sodium acetate and copper salts can be used.



  The new vat dye is a black powder; it is soluble in concentrated sulfuric acid with a violet color and dyes cotton from a blue vat in gray to black, exceptionally real shades. Example: 94 parts of aminodibenzanthrone are suspended in 1000 parts of nitrobenzene, 30 parts of sodium acetate, 7 parts of copper oxide and 28 parts of 1,5-dichloroanthraquinone are added, and the mixture is boiled with stirring until the resulting reaction product is practically halogen-free. You then work up in the usual way.



  The aminodibenzanthrone can be generated during the reaction from the corresponding nitro compound and a reducing agent, for example hydrazine hydrate or sulfur.



  Instead of the 1.5-dichloroanthraquinone, you can also use 30 parts of 1.5-dinitroarithraquinone. In this case, the finished aminodibenzanthrone must be used as the starting point, or the reduction of the nitrodibenzanthrone to aminodibenzanthrone must be completed before the 1,5-dinitroanthraquinone is added.

Claims (1)

PATENTANSPRUCH: Verfahren zur Darstellung eines wert vollen Küpenfarbstoffes, dadurch gekennzeich net, dass man 2 Mol Aminodibenzanthron, das erhalten werden kann durch Reduktion des durch Nitrieren von Dibenzanthron ent stehenden Mononitrodibenzanthrons, mit 111!o1 eines in 1 .5-Stellung negativ substituierten Anthrachinons kondensiert. PATENT CLAIM: Process for the preparation of a valuable vat dye, characterized in that 2 moles of aminodibenzanthrone, which can be obtained by reducing the mononitrodibenzanthrone produced by nitrating dibenzanthrone, are condensed with 111! O1 of an anthraquinone negatively substituted in the 1.5-position . Der neue Küpenfarbstoff ist ein schwarzes Pulver; er ist in konzentrierter Schwefelsäure mit violetter Farbe löslich und färbt Baum- wolle aus blauer Küpe in grauen bis schwar zen hervorragend echten Tönen.. UNTERANSPRÜCHE 1. Verfahren gemäss Patentanspruch, dadurch gekennzeichnet, dass man die Kondensation in einem hochsiedenden Lösungsmittel ausführt. 2. Verfahren gemäss Patentanspruch, dadurch gekennzeichnet, dass man die Kondensation in einem hochsiedenden Verdünnungs mittel ausführt. 3. Verfahren gemäss Patentanspruch, dadurch gekennzeichnet, dass man die Kondensation in Gegenwart von säurebindenden Mitteln ausführt. 4. Verfahren gemäss Patentanspruch, dadurch gekennzeichnet, dass man die Kondensation in Gegenwart von Katalysatoren ausführt. The new vat dye is a black powder; it is soluble in concentrated sulfuric acid with a violet color and dyes cotton from a blue vat in gray to black brilliantly genuine shades. SUBClaims 1. Process according to claim, characterized in that the condensation is carried out in a high-boiling solvent. 2. The method according to claim, characterized in that the condensation is carried out in a high-boiling diluent. 3. The method according to claim, characterized in that the condensation is carried out in the presence of acid-binding agents. 4. The method according to claim, characterized in that the condensation is carried out in the presence of catalysts.
CH136261D 1927-04-09 1928-04-04 Process for the preparation of a valuable vat dye. CH136261A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEI30887A DE525109C (en) 1927-04-09 1927-04-09 Process for the representation of gray to black box dyes
CH133482T 1928-04-04

Publications (1)

Publication Number Publication Date
CH136261A true CH136261A (en) 1929-10-31

Family

ID=25712133

Family Applications (32)

Application Number Title Priority Date Filing Date
CH137658D CH137658A (en) 1927-04-09 1928-04-04 Process for the preparation of a valuable vat dye.
CH136278D CH136278A (en) 1927-04-09 1928-04-04 Process for the preparation of a valuable vat dye.
CH136268D CH136268A (en) 1927-04-09 1928-04-04 Process for the preparation of a valuable vat dye.
CH136830D CH136830A (en) 1927-04-09 1928-04-04 Process for the preparation of a valuable vat dye.
CH136273D CH136273A (en) 1927-04-09 1928-04-04 Process for the preparation of a valuable vat dye.
CH137124D CH137124A (en) 1927-04-09 1928-04-04 Process for the preparation of a valuable vat dye.
CH136831D CH136831A (en) 1927-04-09 1928-04-04 Process for the preparation of a valuable vat dye.
CH136279D CH136279A (en) 1927-04-09 1928-04-04 Process for the preparation of a valuable vat dye.
CH136269D CH136269A (en) 1927-04-09 1928-04-04 Process for the preparation of a valuable vat dye.
CH136262D CH136262A (en) 1927-04-09 1928-04-04 Process for the preparation of a valuable vat dye.
CH136261D CH136261A (en) 1927-04-09 1928-04-04 Process for the preparation of a valuable vat dye.
CH136267D CH136267A (en) 1927-04-09 1928-04-04 Process for the preparation of a valuable vat dye.
CH136274D CH136274A (en) 1927-04-09 1928-04-04 Process for the preparation of a valuable vat dye.
CH137127D CH137127A (en) 1927-04-09 1928-04-04 Process for the preparation of a valuable vat dye.
CH137656D CH137656A (en) 1927-04-09 1928-04-04 Process for the preparation of a valuable vat dye.
CH136264D CH136264A (en) 1927-04-09 1928-04-04 Process for the preparation of a valuable vat dye.
CH136277D CH136277A (en) 1927-04-09 1928-04-04 Process for the preparation of a valuable vat dye.
CH137657D CH137657A (en) 1927-04-09 1928-04-04 Process for the preparation of a valuable vat dye.
CH136276D CH136276A (en) 1927-04-09 1928-04-04 Process for the preparation of a valuable vat dye.
CH136266D CH136266A (en) 1927-04-09 1928-04-04 Process for the preparation of a valuable vat dye.
CH136832D CH136832A (en) 1927-04-09 1928-04-04 Process for the preparation of a valuable vat dye.
CH136272D CH136272A (en) 1927-04-09 1928-04-04 Process for the preparation of a valuable vat dye.
CH136260D CH136260A (en) 1927-04-09 1928-04-04 Process for the preparation of a valuable vat dye.
CH136263D CH136263A (en) 1927-04-09 1928-04-04 Process for the preparation of a valuable vat dye.
CH136270D CH136270A (en) 1927-04-09 1928-04-04 Process for the preparation of a valuable vat dye.
CH136834D CH136834A (en) 1927-04-09 1928-04-04 Process for the preparation of a valuable vat dye.
CH136271D CH136271A (en) 1927-04-09 1928-04-04 Process for the preparation of a valuable vat dye.
CH136833D CH136833A (en) 1927-04-09 1928-04-04 Process for the preparation of a valuable vat dye.
CH136275D CH136275A (en) 1927-04-09 1928-04-04 Process for the preparation of a valuable vat dye.
CH137126D CH137126A (en) 1927-04-09 1928-04-04 Process for the preparation of a valuable vat dye.
CH136265D CH136265A (en) 1927-04-09 1928-04-04 Process for the preparation of a valuable vat dye.
CH137125D CH137125A (en) 1927-04-09 1928-04-04 Process for the preparation of a valuable vat dye.

Family Applications Before (10)

Application Number Title Priority Date Filing Date
CH137658D CH137658A (en) 1927-04-09 1928-04-04 Process for the preparation of a valuable vat dye.
CH136278D CH136278A (en) 1927-04-09 1928-04-04 Process for the preparation of a valuable vat dye.
CH136268D CH136268A (en) 1927-04-09 1928-04-04 Process for the preparation of a valuable vat dye.
CH136830D CH136830A (en) 1927-04-09 1928-04-04 Process for the preparation of a valuable vat dye.
CH136273D CH136273A (en) 1927-04-09 1928-04-04 Process for the preparation of a valuable vat dye.
CH137124D CH137124A (en) 1927-04-09 1928-04-04 Process for the preparation of a valuable vat dye.
CH136831D CH136831A (en) 1927-04-09 1928-04-04 Process for the preparation of a valuable vat dye.
CH136279D CH136279A (en) 1927-04-09 1928-04-04 Process for the preparation of a valuable vat dye.
CH136269D CH136269A (en) 1927-04-09 1928-04-04 Process for the preparation of a valuable vat dye.
CH136262D CH136262A (en) 1927-04-09 1928-04-04 Process for the preparation of a valuable vat dye.

Family Applications After (21)

Application Number Title Priority Date Filing Date
CH136267D CH136267A (en) 1927-04-09 1928-04-04 Process for the preparation of a valuable vat dye.
CH136274D CH136274A (en) 1927-04-09 1928-04-04 Process for the preparation of a valuable vat dye.
CH137127D CH137127A (en) 1927-04-09 1928-04-04 Process for the preparation of a valuable vat dye.
CH137656D CH137656A (en) 1927-04-09 1928-04-04 Process for the preparation of a valuable vat dye.
CH136264D CH136264A (en) 1927-04-09 1928-04-04 Process for the preparation of a valuable vat dye.
CH136277D CH136277A (en) 1927-04-09 1928-04-04 Process for the preparation of a valuable vat dye.
CH137657D CH137657A (en) 1927-04-09 1928-04-04 Process for the preparation of a valuable vat dye.
CH136276D CH136276A (en) 1927-04-09 1928-04-04 Process for the preparation of a valuable vat dye.
CH136266D CH136266A (en) 1927-04-09 1928-04-04 Process for the preparation of a valuable vat dye.
CH136832D CH136832A (en) 1927-04-09 1928-04-04 Process for the preparation of a valuable vat dye.
CH136272D CH136272A (en) 1927-04-09 1928-04-04 Process for the preparation of a valuable vat dye.
CH136260D CH136260A (en) 1927-04-09 1928-04-04 Process for the preparation of a valuable vat dye.
CH136263D CH136263A (en) 1927-04-09 1928-04-04 Process for the preparation of a valuable vat dye.
CH136270D CH136270A (en) 1927-04-09 1928-04-04 Process for the preparation of a valuable vat dye.
CH136834D CH136834A (en) 1927-04-09 1928-04-04 Process for the preparation of a valuable vat dye.
CH136271D CH136271A (en) 1927-04-09 1928-04-04 Process for the preparation of a valuable vat dye.
CH136833D CH136833A (en) 1927-04-09 1928-04-04 Process for the preparation of a valuable vat dye.
CH136275D CH136275A (en) 1927-04-09 1928-04-04 Process for the preparation of a valuable vat dye.
CH137126D CH137126A (en) 1927-04-09 1928-04-04 Process for the preparation of a valuable vat dye.
CH136265D CH136265A (en) 1927-04-09 1928-04-04 Process for the preparation of a valuable vat dye.
CH137125D CH137125A (en) 1927-04-09 1928-04-04 Process for the preparation of a valuable vat dye.

Country Status (1)

Country Link
CH (32) CH137658A (en)

Also Published As

Publication number Publication date
CH136278A (en) 1929-10-31
CH137127A (en) 1929-12-15
CH136272A (en) 1929-10-31
CH136273A (en) 1929-10-31
CH136274A (en) 1929-10-31
CH137657A (en) 1930-01-15
CH136267A (en) 1929-10-31
CH137126A (en) 1929-12-15
CH136262A (en) 1929-10-31
CH136834A (en) 1929-11-30
CH136279A (en) 1929-10-31
CH136275A (en) 1929-10-31
CH137658A (en) 1930-01-15
CH136277A (en) 1929-10-31
CH136263A (en) 1929-10-31
CH137124A (en) 1929-12-15
CH136270A (en) 1929-10-31
CH136830A (en) 1929-11-30
CH136833A (en) 1929-11-30
CH136260A (en) 1929-10-31
CH136831A (en) 1929-11-30
CH136832A (en) 1929-11-30
CH136276A (en) 1929-10-31
CH136271A (en) 1929-10-31
CH136265A (en) 1929-10-31
CH136266A (en) 1929-10-31
CH137656A (en) 1930-01-15
CH136264A (en) 1929-10-31
CH137125A (en) 1929-12-15
CH136269A (en) 1929-10-31
CH136268A (en) 1929-10-31

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