CH309406A - Process for the preparation of a fluorescent monotriazole compound. - Google Patents

Process for the preparation of a fluorescent monotriazole compound.

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Publication number
CH309406A
CH309406A CH309406DA CH309406A CH 309406 A CH309406 A CH 309406A CH 309406D A CH309406D A CH 309406DA CH 309406 A CH309406 A CH 309406A
Authority
CH
Switzerland
Prior art keywords
compound
monotriazole
preparation
fluorescent
stilbyl
Prior art date
Application number
Other languages
German (de)
Inventor
Ag J R Geigy
Original Assignee
Ag J R Geigy
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 Ag J R Geigy filed Critical Ag J R Geigy
Publication of CH309406A publication Critical patent/CH309406A/en

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  • Detergent Compositions (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)

Description

  

      Verfahren    zur Herstellung einer fluoreszierenden     Monotriazolverbindung.       Gegenstand vorliegenden Patentes ist ein  Verfahren zur Herstellung einer fluoreszieren  den     Monotriazolverbindung.    Das Verfahren ist  dadurch gekennzeichnet, dass man 2- (4"'  Amino-stilbyl-4")-(naphtho-1',2' : 4,5)     -1,2,3-          triazol-5',2",2"'-trisulfonsäure    dianotiert und  die     Diazogruppe    durch Wasserstoff ersetzt.  



  Die erhaltene neue Verbindung, die     2-(Stil-          byl-4")-(napht.ho-1',2'    :     4,5)-1,2,3-triazol-5',2",          2"'-trisulfonsäure,    stellt in Form ihres Na  triumsalzes ein schwach     gelbstichiges    Pulver  dar. Sie soll als     Aufhellungsmittel    Verwen  dung finden.  



  <I>Beispiel:</I>  Die Lösung des     Trinatriumsalzes    von 60,2  Teilen     2-(4"'-Amino-stilbyl-4")-(naphtho-1',2':          4,5)-1,2,3-triazol-5',2",2"'-trisulfonsäure    und  6,9 Teilen     Natriumnitrit    in 500 Teilen Wasser  wird bei einer Temperatur von 10-15  mit  ?5 Teilen     konz.    Salzsäure indirekt dianotiert.       Man        lässt    etwa 1 Stunde     ausrühren    und fällt  die     Diazoverbindung    durch Zugabe von Koch  salz aus.

   Die gut     abgenutschte        Diazoverbin-          dung    wird nun     portionenweise    in 1000 Teile  siedenden Alkohol eingetragen und während       mehreren    Stunden, bis zum Verschwinden der       Diazoreaktion,    unter Rückfloss erhitzt. Man  lässt auf Zimmertemperatur erkalten,     filtriert     ab und löst den Rückstand mit Natronlauge    bei     phenolphthaleinalkalischer    Reaktion in  heissem. Wasser, klärt die erhaltene Lösung  z.

   B. durch Zugabe von     Natriurnhydrosulfit     und Tierkohle, filtriert heiss     tusd    fällt die     2-          (Stilbyl-4")-(naphtho-1',2'    :     4,5)-1,2,3-triazol-          5',2",2"'-trisulfonsäure    als     Natriumsalz    durch  Zugabe von Kochsalz aus. Das Produkt ist ein  schwach     gelbstichiges    Pulver. Es stellt ein  wertvolles     Aufhelhungsmittel    für     Cellulose-          fasern,    Wolle, Seifenpulver und Waschhilfs  mittel dar.



      Process for the preparation of a fluorescent monotriazole compound. The present patent is a process for the preparation of a fluorescent monotriazole compound. The process is characterized in that 2- (4 "'Amino-stilbyl-4") - (naphtho-1', 2 ': 4.5) -1,2,3-triazole-5', 2 ", 2 "'- trisulfonic acid is dianotized and the diazo group is replaced by hydrogen.



  The new compound obtained, the 2- (stilbyl-4 ") - (napht.ho-1 ', 2': 4,5) -1,2,3-triazole-5 ', 2", 2 "' -trisulfonic acid, in the form of its sodium salt, is a slightly yellowish powder. It is said to be used as a lightening agent.



  <I> Example: </I> The solution of the trisodium salt of 60.2 parts of 2- (4 "'- Amino-stilbyl-4") - (naphtho-1', 2 ': 4.5) -1.2 , 3-triazol-5 ', 2 ", 2"' - trisulfonic acid and 6.9 parts of sodium nitrite in 500 parts of water are concentrated at a temperature of 10-15 with 5 parts. Hydrochloric acid indirectly dianotized. The mixture is stirred for about 1 hour and the diazo compound is precipitated by adding sodium chloride.

   The well sucked off diazo compound is then introduced in portions into 1000 parts of boiling alcohol and refluxed for several hours until the diazo reaction disappears. It is allowed to cool to room temperature, filtered and the residue is dissolved in hot sodium hydroxide solution with an alkaline phenolphthalein reaction. Water, the resulting solution clarifies e.g.

   B. by adding sodium hydrosulfite and animal charcoal, filtered hot tusd falls the 2- (stilbyl-4 ") - (naphtho-1 ', 2': 4.5) -1,2,3-triazole- 5 ', 2" 2 "'- trisulfonic acid as the sodium salt by adding common salt. The product is a slightly yellowish powder. It is a valuable lightening agent for cellulose fibers, wool, soap powder and laundry aids.

 

Claims (1)

PATENTANSPRUCH: Verfahren zur Herstellung einer fluoreszie renden Monotriazolverbindung, dadurch ge kennzeichnet, dass man 2-(4"'-Amirio-stilbyl- 4")-(naphtho-1',2' : 4,5)-1,2,3-triazol-5',2",2"'- trisulfonsäure dia.zotiert und die Diazogruppe durch Wasserstoff ersetzt. Die erhaltene neue Verbindung, die 2 (Stilbyl-4")-(napht.ho-1',2' : 4,5)-1,2,3-triazol- 5',2",2"'-trisulfonsäure, stellt in Form ihres Natriumsalzes ein schwach gelbstichiges Pul ver dar. Claim: Process for the preparation of a fluoreszie-generating monotriazole compound, characterized in that 2- (4 "'- Amirio-stilbyl- 4") - (naphtho-1', 2 ': 4.5) -1,2,3 -triazole-5 ', 2 ", 2"' - trisulfonic acid dia.zotiert and the diazo group is replaced by hydrogen. The new compound obtained, the 2 (stilbyl-4 ") - (napht.ho-1 ', 2': 4,5) -1,2,3-triazole-5 ', 2", 2 "' - trisulfonic acid, In the form of its sodium salt, it is a slightly yellowish powder. UNTERANSPRUCH: Verfahren nach Patentanspruch, dadurch gekennzeichnet, dass man die Diazogruppe durch Verkochen in Alkohol durch Wasser stoff ersetzt. SUBSTANTIAL CLAIM: Process according to patent claim, characterized in that the diazo group is replaced by hydrogen by boiling in alcohol.
CH309406D 1952-01-11 1952-01-11 Process for the preparation of a fluorescent monotriazole compound. CH309406A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH307627T 1952-01-11
CH309406T 1952-01-11

Publications (1)

Publication Number Publication Date
CH309406A true CH309406A (en) 1955-08-31

Family

ID=25735294

Family Applications (1)

Application Number Title Priority Date Filing Date
CH309406D CH309406A (en) 1952-01-11 1952-01-11 Process for the preparation of a fluorescent monotriazole compound.

Country Status (1)

Country Link
CH (1) CH309406A (en)

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