DE166358C - - Google Patents

Info

Publication number
DE166358C
DE166358C DENDAT166358D DE166358DA DE166358C DE 166358 C DE166358 C DE 166358C DE NDAT166358 D DENDAT166358 D DE NDAT166358D DE 166358D A DE166358D A DE 166358DA DE 166358 C DE166358 C DE 166358C
Authority
DE
Germany
Prior art keywords
heliotropin
process protected
protocatechualdehyde
cleavage
solvents
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
DENDAT166358D
Other languages
German (de)
Publication of DE166358C publication Critical patent/DE166358C/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
    • C07C45/61—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups
    • C07C45/67—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton
    • C07C45/673—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by change of size of the carbon skeleton

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Micro-Organisms Or Cultivation Processes Thereof (AREA)

Description

2. Ausführungsform des Verfahrens gemäß Anspruch I, dadurch gekennzeichnet, daß man als Lösungsmittel wässerige Lösungen von Bisulfiten verwendet, welche ohne Zusatz von Säuren auf Heliotropin spaltend wirken.2. Embodiment of the method according to claim I, characterized in that the solvent used is aqueous Solutions of bisulfites are used, which are based on heliotropin without the addition of acids have a divisive effect.

Claims (1)

Patent-An Spruch ε:Patent claim ε: 1. Ausführungsform des durch Patent 162822 geschützten Verfahrens zur' Darstellung von Protocatechualdehyd aus Heliotropin, dadurch gekennzeichnet, daß man bei dem durch das Hauptpatent geschützten Verfahren die Spaltung des Heliotropins in Gegenwart von solchen Stoffen ausführt, welche Lösungsmittel für Heliotropin sind.1st embodiment of the process protected by patent 162822 for ' Representation of protocatechualdehyde from heliotropin, characterized in that one in the process protected by the main patent, the cleavage of the heliotropin in the presence of such Substances which are solvents for heliotropin.
DENDAT166358D Active DE166358C (en)

Publications (1)

Publication Number Publication Date
DE166358C true DE166358C (en)

Family

ID=431758

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT166358D Active DE166358C (en)

Country Status (1)

Country Link
DE (1) DE166358C (en)

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