DE220838C - - Google Patents

Info

Publication number
DE220838C
DE220838C DENDAT220838D DE220838DA DE220838C DE 220838 C DE220838 C DE 220838C DE NDAT220838 D DENDAT220838 D DE NDAT220838D DE 220838D A DE220838D A DE 220838DA DE 220838 C DE220838 C DE 220838C
Authority
DE
Germany
Prior art keywords
water
chromic acid
acid mixture
approximately
dichromate
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
DENDAT220838D
Other languages
German (de)
Publication of DE220838C publication Critical patent/DE220838C/de
Active legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/27—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation
    • C07C45/30—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with halogen containing compounds, e.g. hypohalogenation

Landscapes

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

Description

BERLIN. GEDRUCKT IN DER REICHSDRUCKEREI.BERLIN. PRINTED IN THE REICHSDRUCKEREI.

Claims (1)

Patent-Anspruch:Patent claim: Verfahren zur Herstellung von Kampfer aus Borneol und Isoborneol durch Oxydation mit Chromsäuregemisch, dadurch gekennzeichnet, daß man eine Chromsäuremischung anwendet, die aus etwa gleichen Teilen Natriumbichromat bzw. der entsprechenden Menge anderer Alkalibich.romate und Wasser unter Zusatz von ungefähr I1Z2 bis 2 Teilen konzentrierter Schwefelsäure und nachträgliches Verdünnen mit Wasser hergestellt ist.Process for the production of camphor from borneol and isoborneol by oxidation with a chromic acid mixture, characterized in that a chromic acid mixture is used which consists of approximately equal parts of sodium dichromate or the corresponding amount of other alkali dichromate and water with the addition of approximately I 1 Z 2 to 2 Dividing concentrated sulfuric acid and subsequent dilution with water is made.
DENDAT220838D Active DE220838C (en)

Publications (1)

Publication Number Publication Date
DE220838C true DE220838C (en)

Family

ID=481860

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT220838D Active DE220838C (en)

Country Status (1)

Country Link
DE (1) DE220838C (en)

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