CH310148A - Process for the preparation of a substantive 2,3-oxynaphthoic acid arylide. - Google Patents

Process for the preparation of a substantive 2,3-oxynaphthoic acid arylide.

Info

Publication number
CH310148A
CH310148A CH310148DA CH310148A CH 310148 A CH310148 A CH 310148A CH 310148D A CH310148D A CH 310148DA CH 310148 A CH310148 A CH 310148A
Authority
CH
Switzerland
Prior art keywords
preparation
substantive
oxynaphthoic acid
acid arylide
arylide
Prior art date
Application number
Other languages
German (de)
Inventor
Farbwerke Hoechst Akt Bruening
Original Assignee
Hoechst 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 Hoechst Ag filed Critical Hoechst Ag
Publication of CH310148A publication Critical patent/CH310148A/en

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Classifications

    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09BORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B43/00Preparation of azo dyes from other azo compounds
    • C09B43/12Preparation of azo dyes from other azo compounds by acylation of amino groups
    • C09B43/124Preparation of azo dyes from other azo compounds by acylation of amino groups with monocarboxylic acids, carbamic esters or halides, mono- isocyanates, or haloformic acid esters
    • C09B43/132Preparation of azo dyes from other azo compounds by acylation of amino groups with monocarboxylic acids, carbamic esters or halides, mono- isocyanates, or haloformic acid esters having the carboxylic group directly attached to an aromatic carbocyclic ring

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Seasonings (AREA)

Description

  

  <B>Zusatzpatent</B> zum Hauptpatent Nr. 305720.    Verfahren zur Herstellung eines Substantiven     2,3-Oxynaphthoesäurearylids.            (legenstand    des vorliegenden Zusatzpaten  tes ist ein Verfahren zur Herstellung eines  Substantiven 2,3 -     Oxynaphthoesäurearylids,     welches dadurch gekennzeichnet ist, dass man       2,3-Oxynaphthoesäitre    oder eines ihrer     funk-          tionellen    Derivate mit     1-(3'-Aminophenyl)-3-          nietliyl-4-(naphthalin-1"-azo)-5-pyrazolon    kon  densiert.

      Die erhaltene, bisher nicht bekannte Ver  bindung stellt ein wertvolles Zwischenprodukt  für die Herstellung von     Azofarbstoffen    dar.  <I>Beispiel:</I>  34 Gewichtsteile gut getrocknetes     1-(3'-          Aminophenyl)    -     3-methyl-4-naphthalin-1"-azo)        -          5-pyrazolon    von der folgenden Formel  
EMI0001.0015     
    (e     rhältlieh        dureh    Kuppeln von     diazotiertem          1-Amino-naphthalin    mit     1-(3'-Aminophenyl)-          :

  i-methyl-5-pyrazolon)    werden in 400     Ge-          wielltsteilen    wasserfreiem     Toluol    verrührt     und     auf 100  C erhitzt. Bei dieser Temperatur  lässt man innerhalb einiger Minuten eine Lö  sung von     2,3-Oxynaphthoesäiirechlorid,    das  durch mehrstündiges Erhitzen von 19     Ge-          wiehtsteilen        2,3-Oxynaphthoesäure    in 200     Ge-          wiclitsteilen    wasserfreiem     Toluol    unter Zu  tropfen von 1.1 Gewichtsteilen     Thionylchlorid     auf 85--90  C hergestellt     wurde,

      zulaufen.  Man erhitzt 4 Stunden zum Sieden, saugt  dann heiss ab, wäscht mit etwas     Toluol    und  anschliessend mit Methanol nach. Zur Ent  fernung geringer Mengen     2,3-Oxynaphthoe-          säure    kocht. man den Rückstand mit verdünn  ter     Sodalösung    aus.    Das erhaltene     Arylid    stellt nach dem  Trocknen ein gelbbraunes Pulver dar, das bei  226  C schmilzt.



  <B> Additional patent </B> to main patent no. 305720. Process for the preparation of a noun 2,3-oxynaphthoic acid arylide. (The status of the present additional patent is a process for the production of a noun 2,3 - Oxynaphthoesäurearylids, which is characterized in that 2,3-Oxynaphthoesäitre or one of its functional derivatives with 1- (3'-aminophenyl) -3- nietliyl-4- (naphthalene-1 "-azo) -5-pyrazolone condensed.

      The compound obtained, previously unknown, represents a valuable intermediate product for the production of azo dyes. <I> Example: </I> 34 parts by weight of well-dried 1- (3'-aminophenyl) -3-methyl-4-naphthalene-1 "-azo) - 5-pyrazolone of the following formula
EMI0001.0015
    (Obtained by coupling diazotized 1-amino-naphthalene with 1- (3'-aminophenyl) -:

  i-methyl-5-pyrazolone) are stirred in 400 parts by weight of anhydrous toluene and heated to 100.degree. At this temperature, a solution of 2,3-oxynaphthoic acid chloride is left within a few minutes, which is obtained by heating 19 parts by weight of 2,3-oxynaphthoic acid in 200 parts by weight of anhydrous toluene for several hours, adding 1.1 parts by weight of thionyl chloride to 85-- 90 C was made,

      run towards. The mixture is heated to boiling for 4 hours, then filtered off with suction while hot, washed with a little toluene and then with methanol. To remove small amounts of 2,3-oxynaphthoic acid, boils. the residue is extracted with dilute soda solution. The arylide obtained is a yellow-brown powder which melts at 226 ° C. after drying.

 

Claims (1)

PATENTANSPRUCH: Verfahren zur Herstellung eines Substan tiven 2,3-Oxynaphthoesäurearylids, dadurch gekennzeichnet, dass man 2,3-Oxynaphthoe- säure oder eines ihrer funktionellen Derivate mit 1-(3'-Aminophenyl)-3-methyl-4-(naphtha- lin-1"-azo) -5-pyrazolon kondensiert. Die so erhaltene neue Verbindung stellt Gin gelbbraunes Pulver dar, das bei 226 C schmilzt. PATENT CLAIM: A process for the preparation of a substantive 2,3-Oxynaphthoesäurearylids, characterized in that 2,3-Oxynaphthoe- acid or one of its functional derivatives with 1- (3'-aminophenyl) -3-methyl-4- (naphtha- lin-1 "-azo) -5-pyrazolone condenses. The new compound thus obtained is a yellow-brown gin powder that melts at 226.degree.
CH310148D 1951-05-26 1952-05-24 Process for the preparation of a substantive 2,3-oxynaphthoic acid arylide. CH310148A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE310148X 1951-05-26
CH305720T 1952-05-24

Publications (1)

Publication Number Publication Date
CH310148A true CH310148A (en) 1955-09-30

Family

ID=25734993

Family Applications (1)

Application Number Title Priority Date Filing Date
CH310148D CH310148A (en) 1951-05-26 1952-05-24 Process for the preparation of a substantive 2,3-oxynaphthoic acid arylide.

Country Status (1)

Country Link
CH (1) CH310148A (en)

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