AT33720B - Process for the preparation of camphor from isoborneol. - Google Patents

Process for the preparation of camphor from isoborneol.

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Publication number
AT33720B
AT33720B AT33720DA AT33720B AT 33720 B AT33720 B AT 33720B AT 33720D A AT33720D A AT 33720DA AT 33720 B AT33720 B AT 33720B
Authority
AT
Austria
Prior art keywords
isoborneol
camphor
preparation
nitric acid
oxidation
Prior art date
Application number
Other languages
German (de)
Original Assignee
Heyden Chem Fab
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 Heyden Chem Fab filed Critical Heyden Chem Fab
Application granted granted Critical
Publication of AT33720B publication Critical patent/AT33720B/en

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  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Description

  

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

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 EMI2.1 
 Isoborneolzufuhr sorgt man dafür, dass die Temperatur sich nicht über   400 erhebt,   Nachdem die Gesamtmenge Isoborneol eingetragen, wird weiter gerührt, bis die Entwicklung nitroser Gase zu Ende gekommen ist. Hierauf wird der Kesselinhalt entleert und das auf der   Säure   
 EMI2.2 
 der abgeschiedene Kampfer al) filtriert. 



   Verwendet man zur Oxydation ein Isoborneol, welches geringe   Mengen   Borneol oder anderer Stoffe enthält, welche mit Salpetersäure unter Entstehung niederer Oxydationsstufen des Stickstoffes reagieren, so kann man, wie schon oben erwähnt, Salpetersäure benutzen, welche nitrose Gase noch nicht enthält, da letztere durch diese Beimengung des Isoborneols aus der Salpetersäure gebildet werden.



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

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 EMI2.1
 Isoborneol supply ensures that the temperature does not rise above 400. After the total amount of isoborneol has been added, stirring is continued until the development of nitrous gases has come to an end. Then the contents of the kettle are emptied and that on top of the acid
 EMI2.2
 the separated camphor al) filtered.



   If an isoborneol is used for the oxidation, which contains small amounts of borneol or other substances which react with nitric acid to form lower levels of oxidation of nitrogen, then, as already mentioned above, nitric acid can be used, which does not yet contain nitrous gases, as the latter cause the latter Admixture of the isoborneol can be formed from the nitric acid.

Claims (1)

PATENT-ANSPRUCH : Verfahren zur Darstellung von Kampfer aus Isoborneol durch Oxydation mit Salpetersäure, dadurch gekennzeichnet, dass man auf das Isohorneol die Salpetersiiure unterhat !' ihres Siede- EMI2.3 oder intermediäre Bildung geringerer Mengen niederer Oxydationsstufen des Stickstoffes eingeleitet wird. PATENT CLAIM: Process for the preparation of camphor from isoborneol by oxidation with nitric acid, characterized in that the nitric acid is applied to the isohorneol! ' their boiling EMI2.3 or the intermediate formation of smaller amounts of lower oxidation states of nitrogen is initiated.
AT33720D 1906-04-25 1906-04-25 Process for the preparation of camphor from isoborneol. AT33720B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT33720T 1906-04-25

Publications (1)

Publication Number Publication Date
AT33720B true AT33720B (en) 1908-07-25

Family

ID=3549502

Family Applications (1)

Application Number Title Priority Date Filing Date
AT33720D AT33720B (en) 1906-04-25 1906-04-25 Process for the preparation of camphor from isoborneol.

Country Status (1)

Country Link
AT (1) AT33720B (en)

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