AT35554B - Process for the preparation of methylenzitryl cresotinic acids. - Google Patents

Process for the preparation of methylenzitryl cresotinic acids.

Info

Publication number
AT35554B
AT35554B AT35554DA AT35554B AT 35554 B AT35554 B AT 35554B AT 35554D A AT35554D A AT 35554DA AT 35554 B AT35554 B AT 35554B
Authority
AT
Austria
Prior art keywords
methylenzitryl
preparation
cresotinic acids
acid
cresotinic
Prior art date
Application number
Other languages
German (de)
Original Assignee
Farbenfab Vorm Bayer F & Co
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 DE1906193114D external-priority patent/DE193114C/de
Application filed by Farbenfab Vorm Bayer F & Co filed Critical Farbenfab Vorm Bayer F & Co
Application granted granted Critical
Publication of AT35554B publication Critical patent/AT35554B/en

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  • Nitrogen Condensed Heterocyclic Rings (AREA)

Description

  

   <Desc/Clms Page number 1> 
 
 EMI1.1 
 
 EMI1.2 
 

 <Desc/Clms Page number 2> 

 
 EMI2.1 
 in Wasser und Petroläther fast unlöslich, in Azeton, Alkohol und Essigsäure leicht löslich sind. 



  Der Schmelzpunkt liegt unscharf bei 1700 unter Zersetzung. 



   Beispiel 6 : 304 Teile Oxy-o-toluylsäure (OH :   ODOR   : CH3 : 3) werden in Chloroform gelöst, mit 300 Teilen Chinolin versetzt und eine Lösung von 241 Teilen Methylen-   xitionensä. urcdichlorid   in Chloroform unter Rühren   zugefiigt.   Die Reaktion beginnt sofort unter   Temperaturerhöhung. Nach mehrst. undigem Stehen   wird die Reaktionsmasse durch Waschen mit   salzsäurehaltigem   Wasser von Chinolin befreit. Hierbei scheidet sich ein Teil der Methylenzitryl-oxytoluylsäure ab, der Rest wird durch Abdestillieren des Chloroforms gewonnen. Zur 
 EMI2.2 
 löslich sind, dagegen sich leicht in Alkohol und Eisessig auflösen. Der Körper schmilzt unscharf bei 170-1750.

   In analoger Weise verläuft die Reaktion bei Verwendung anderer Dihalogenide der   Met, Ìtylenzitronensäure.   

**WARNUNG** Ende DESC Feld kannt Anfang CLMS uberlappen**.



   <Desc / Clms Page number 1>
 
 EMI1.1
 
 EMI1.2
 

 <Desc / Clms Page number 2>

 
 EMI2.1
 are almost insoluble in water and petroleum ether, easily soluble in acetone, alcohol and acetic acid.



  The melting point is indistinct at 1700 with decomposition.



   Example 6: 304 parts of oxy-o-toluic acid (OH: ODOR: CH3: 3) are dissolved in chloroform, 300 parts of quinoline are added and a solution of 241 parts of methylene xionite acid is added. urcdichlorid in chloroform with stirring. The reaction begins immediately with an increase in temperature. After several. After standing, the reaction mass is freed from quinoline by washing with water containing hydrochloric acid. Part of the methylenzitryl-oxytoluic acid separates out, the remainder is obtained by distilling off the chloroform. To
 EMI2.2
 are soluble, but easily dissolve in alcohol and glacial acetic acid. The body melts out of focus at 170-1750.

   The reaction proceeds in an analogous manner when using other dihalides of Met, Ìtylenic citric acid.

** WARNING ** End of DESC field may overlap beginning of CLMS **.

Claims (1)

I'ATENT-ANSPRITCH : Abänderung des durch das Stammpatent geschützten Verfahrens, darin bestehend, dass man die Kalizyl8äure oder ihre Salze durch Kresotinsäuren oder ihre Salze ersetzt. **WARNUNG** Ende CLMS Feld Kannt Anfang DESC uberlappen**. I'ATENT CLAIM: Modification of the process protected by the parent patent, consisting in replacing the calicylic acid or its salts with cresotinic acids or their salts. ** WARNING ** End of CLMS field may overlap beginning of DESC **.
AT35554D 1906-10-19 1907-12-16 Process for the preparation of methylenzitryl cresotinic acids. AT35554B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1906193114D DE193114C (en) 1906-10-19

Publications (1)

Publication Number Publication Date
AT35554B true AT35554B (en) 1908-12-28

Family

ID=5737444

Family Applications (1)

Application Number Title Priority Date Filing Date
AT35554D AT35554B (en) 1906-10-19 1907-12-16 Process for the preparation of methylenzitryl cresotinic acids.

Country Status (1)

Country Link
AT (1) AT35554B (en)

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