AT122004B - Process for the preparation of menthol and thymol or their isomers. - Google Patents

Process for the preparation of menthol and thymol or their isomers.

Info

Publication number
AT122004B
AT122004B AT122004DA AT122004B AT 122004 B AT122004 B AT 122004B AT 122004D A AT122004D A AT 122004DA AT 122004 B AT122004 B AT 122004B
Authority
AT
Austria
Prior art keywords
thymol
menthol
isomers
preparation
desc
Prior art date
Application number
Other languages
German (de)
Original Assignee
Schering Kahbaum A G
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 Schering Kahbaum A G filed Critical Schering Kahbaum A G
Application granted granted Critical
Publication of AT122004B publication Critical patent/AT122004B/en

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

Description

  

   <Desc/Clms Page number 1> 
 
 EMI1.1 
 



   Es ist bekannt, dass 3-Oxy-1-methyl-4-isopropenylbenzol durch Reduktion mit Zinkstaub   in Thymol übergeführt werden kann (Beilstein.   4.   Aufl..     VI.     1923.   S.   378)   ; ebenso ist die katalytische Hydrierung des   Tlivmols zu Menthol bekannt (Sabatier. Die Katalyse 1K7.   



  S.   134,   335). 



   Es wurde nun   gefunden,   dass die   Oxymetliylisopropenylbenzole durch katalytisrhe   
 EMI1.2 
 
 EMI1.3 
 

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



   <Desc / Clms Page number 1>
 
 EMI1.1
 



   It is known that 3-oxy-1-methyl-4-isopropenylbenzene can be converted into thymol by reduction with zinc dust (Beilstein. 4th edition. VI. 1923. p. 378); The catalytic hydrogenation of Tlivmol to menthol is also known (Sabatier. Die Catalysis 1K7.



  Pp. 134, 335).



   It has now been found that the Oxymetliylisopropenylbenzenes by katalytisrhe
 EMI1.2
 
 EMI1.3
 

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

Claims (1)

**WARNUNG** Ende CLMS Feld Kannt Anfang DESC uberlappen**. ** WARNING ** End of CLMS field may overlap beginning of DESC **.
AT122004D 1926-06-29 1927-06-25 Process for the preparation of menthol and thymol or their isomers. AT122004B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE122004T 1926-06-29

Publications (1)

Publication Number Publication Date
AT122004B true AT122004B (en) 1931-03-25

Family

ID=29277198

Family Applications (1)

Application Number Title Priority Date Filing Date
AT122004D AT122004B (en) 1926-06-29 1927-06-25 Process for the preparation of menthol and thymol or their isomers.

Country Status (1)

Country Link
AT (1) AT122004B (en)

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