DE123748C - - Google Patents

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Publication number
DE123748C
DE123748C DENDAT123748D DE123748DA DE123748C DE 123748 C DE123748 C DE 123748C DE NDAT123748 D DENDAT123748 D DE NDAT123748D DE 123748D A DE123748D A DE 123748DA DE 123748 C DE123748 C DE 123748C
Authority
DE
Germany
Prior art keywords
cinchonidine
quinine
alkaloids
pyridine
protected
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
DENDAT123748D
Other languages
German (de)
Publication of DE123748C publication Critical patent/DE123748C/de
Active legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D453/00—Heterocyclic compounds containing quinuclidine or iso-quinuclidine ring systems, e.g. quinine alkaloids
    • C07D453/02—Heterocyclic compounds containing quinuclidine or iso-quinuclidine ring systems, e.g. quinine alkaloids containing not further condensed quinuclidine ring systems
    • C07D453/04—Heterocyclic compounds containing quinuclidine or iso-quinuclidine ring systems, e.g. quinine alkaloids containing not further condensed quinuclidine ring systems having a quinolyl-4, a substituted quinolyl-4 or a alkylenedioxy-quinolyl-4 radical linked through only one carbon atom, attached in position 2, e.g. quinine

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)

Description

*) Früheres Zusatzpatent: 118352.*) Previous additional patent: 118352.

EEIiLIN. GEDRUCKT IN DER REICHSDRUCKEREI.EEIiLIN. PRINTED IN THE REICHSDRUCKEREI.

Claims (1)

Patent-An SPRU ch:Patent application: Das durch Patent 91370 geschützte Verfahren zur Herstellung der Chinin- oder Cinchonidinkohlensäureester, derart abgeändert, dafs man den Chlorameisensäureester in Gegenwart von Pyridin auf die wasserhaltigen Salze der Alkaloide einwirken läfst.The process for the production of quinine or cinchonidine carbonic acid esters, protected by patent 91370, modified in such a way that the chloroformic acid ester is added to the hydrous salts in the presence of pyridine which allows alkaloids to act.
DENDAT123748D Active DE123748C (en)

Publications (1)

Publication Number Publication Date
DE123748C true DE123748C (en)

Family

ID=392579

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT123748D Active DE123748C (en)

Country Status (1)

Country Link
DE (1) DE123748C (en)

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