DE193799C - - Google Patents

Info

Publication number
DE193799C
DE193799C DENDAT193799D DE193799DA DE193799C DE 193799 C DE193799 C DE 193799C DE NDAT193799 D DENDAT193799 D DE NDAT193799D DE 193799D A DE193799D A DE 193799DA DE 193799 C DE193799 C DE 193799C
Authority
DE
Germany
Prior art keywords
xanthine bases
äfkylenoxde
oxalkyl
halohydrins
glycols
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
DENDAT193799D
Other languages
English (en)
Publication of DE193799C publication Critical patent/DE193799C/de
Active legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D473/00—Heterocyclic compounds containing purine ring systems
    • C07D473/02—Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6
    • C07D473/04—Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6 two oxygen atoms
    • C07D473/06—Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6 two oxygen atoms with radicals containing only hydrogen and carbon atoms, attached in position 1 or 3
    • C07D473/08—Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6 two oxygen atoms with radicals containing only hydrogen and carbon atoms, attached in position 1 or 3 with methyl radicals in positions 1 and 3, e.g. theophylline

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

Description

BERLIN. GEDRUCKT IN DER REICHSDRUCKEREI.

Claims (1)

  1. Patent-Anspruch :
    Abänderung des durch Patent 191106 geschützten Verfahrens zur Darstellung oxalkylsubstituierter Derivate von Xanthinbasen, darin bestehend, daß man an Stelle der Halogenhydrine hier Äfkylenoxyde oder Glycole, gegebenenfalls unter Zusatz wasserbindender Mittel, auf solche Xanthinbasen einwirken läßt, die in den Imidgruppen vertretbare Wasserstoffatome enthalten.
DENDAT193799D Active DE193799C (de)

Publications (1)

Publication Number Publication Date
DE193799C true DE193799C (de)

Family

ID=457001

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT193799D Active DE193799C (de)

Country Status (1)

Country Link
DE (1) DE193799C (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE924085C (de) * 1953-08-01 1955-02-24 Sagitta Werk G M B H Verfahren zur Herstellung von Salpetersaeureestern von Oxalkylxanthinen
DE926788C (de) * 1952-11-07 1955-04-25 Geigy Ag J R Verfahren zur Herstellung von 1, 3-dialkylierten 7-Oxyalkyl-xanthinabkoemmlingen
DE1125933B (de) * 1958-12-30 1962-03-22 Adolf Seebach Vorm C H Otto Dr Verfahren zur Herstellung von 7-(ª‰-Hydroxypropyl)-theophyllin
DE976622C (de) * 1953-03-20 1964-01-02 Gane S Chemical Works Verfahren zur Herstellung von 7-ª‰-Oxypropyltheophyllin

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE926788C (de) * 1952-11-07 1955-04-25 Geigy Ag J R Verfahren zur Herstellung von 1, 3-dialkylierten 7-Oxyalkyl-xanthinabkoemmlingen
DE976622C (de) * 1953-03-20 1964-01-02 Gane S Chemical Works Verfahren zur Herstellung von 7-ª‰-Oxypropyltheophyllin
DE924085C (de) * 1953-08-01 1955-02-24 Sagitta Werk G M B H Verfahren zur Herstellung von Salpetersaeureestern von Oxalkylxanthinen
DE1125933B (de) * 1958-12-30 1962-03-22 Adolf Seebach Vorm C H Otto Dr Verfahren zur Herstellung von 7-(ª‰-Hydroxypropyl)-theophyllin

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