DE168293C - - Google Patents

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Publication number
DE168293C
DE168293C DENDAT168293D DE168293DA DE168293C DE 168293 C DE168293 C DE 168293C DE NDAT168293 D DENDAT168293 D DE NDAT168293D DE 168293D A DE168293D A DE 168293DA DE 168293 C DE168293 C DE 168293C
Authority
DE
Germany
Prior art keywords
barium
weight
mol
parts
salicylic acid
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
DENDAT168293D
Other languages
German (de)
English (en)
Publication of DE168293C publication Critical patent/DE168293C/de
Active legal-status Critical Current

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Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D473/00Heterocyclic compounds containing purine ring systems
    • C07D473/02Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6
    • C07D473/04Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6 two oxygen atoms
    • C07D473/06Heterocyclic 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
    • C07D473/08Heterocyclic 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
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D473/00Heterocyclic compounds containing purine ring systems
    • C07D473/02Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6
    • C07D473/04Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6 two oxygen atoms
    • C07D473/06Heterocyclic 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
    • C07D473/12Heterocyclic 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, 3, and 7, e.g. caffeine

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
DENDAT168293D Active DE168293C (enrdf_load_stackoverflow)

Publications (1)

Publication Number Publication Date
DE168293C true DE168293C (enrdf_load_stackoverflow)

Family

ID=433531

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT168293D Active DE168293C (enrdf_load_stackoverflow)

Country Status (1)

Country Link
DE (1) DE168293C (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE944518C (de) * 1950-08-20 1956-06-14 Byk Gulden Lomberg Chem Fab Verfahren zur Herstellung von Loesungen von in 1, 3-Stellung substituierten Xanthinen

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE944518C (de) * 1950-08-20 1956-06-14 Byk Gulden Lomberg Chem Fab Verfahren zur Herstellung von Loesungen von in 1, 3-Stellung substituierten Xanthinen

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