DE195812C - - Google Patents

Info

Publication number
DE195812C
DE195812C DENDAT195812D DE195812DA DE195812C DE 195812 C DE195812 C DE 195812C DE NDAT195812 D DENDAT195812 D DE NDAT195812D DE 195812D A DE195812D A DE 195812DA DE 195812 C DE195812 C DE 195812C
Authority
DE
Germany
Prior art keywords
acid
nitromandelic
anthroxanic
salmiac
amounts
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
DENDAT195812D
Other languages
German (de)
Publication of DE195812C publication Critical patent/DE195812C/de
Active legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D261/00—Heterocyclic compounds containing 1,2-oxazole or hydrogenated 1,2-oxazole rings
    • C07D261/20—Heterocyclic compounds containing 1,2-oxazole or hydrogenated 1,2-oxazole rings condensed with carbocyclic rings or ring systems

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: Abänderung des durch Patent 191855 geschützten Verfahrens zur Darstellung von Anthroxansäure, darin bestehend, daß man hier ohne Zusatz von Salmiak beliebige Mengen von Zinkstaub oder anderen fein verteilten Metallen auf o-nitromandelsaure Salze oder die freie o-Nitromandelsäure in Gegenwart von Wasser einwirken läßt und dann das Reaktionsgemisch in der in dem Hauptpatent angegebenen Weise weiter verarbeitet.Modification of the method of representation protected by patent 191855 of anthroxanic acid, consisting in the fact that you can use any one without the addition of salmiac Amounts of zinc dust or other finely divided metals on o-nitromandelic acid Salts or the free o-nitromandelic acid can act in the presence of water and then the reaction mixture further processed in the manner specified in the main patent.
DENDAT195812D Active DE195812C (en)

Publications (1)

Publication Number Publication Date
DE195812C true DE195812C (en)

Family

ID=458842

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT195812D Active DE195812C (en)

Country Status (1)

Country Link
DE (1) DE195812C (en)

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