DK126255B - Analogous process for the preparation of 1 - [(ω-1) -oxoalkyl] -3,7- or 7 - [(ω-1) -oxoalkyl] -1,3-dimethylxanthines. - Google Patents

Analogous process for the preparation of 1 - [(ω-1) -oxoalkyl] -3,7- or 7 - [(ω-1) -oxoalkyl] -1,3-dimethylxanthines.

Info

Publication number
DK126255B
DK126255B DK455765AA DK455765A DK126255B DK 126255 B DK126255 B DK 126255B DK 455765A A DK455765A A DK 455765AA DK 455765 A DK455765 A DK 455765A DK 126255 B DK126255 B DK 126255B
Authority
DK
Denmark
Prior art keywords
oxoalkyl
dimethylxanthines
preparation
analogous process
analogous
Prior art date
Application number
DK455765AA
Other languages
Danish (da)
Inventor
W Mohler
M Reiser
K Popendiker
Schuh H Von
Original Assignee
Albert Ag Chem Werke
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from DEC33812A external-priority patent/DE1235320B/en
Priority claimed from DEC33811A external-priority patent/DE1233405B/en
Application filed by Albert Ag Chem Werke filed Critical Albert Ag Chem Werke
Publication of DK126255B publication Critical patent/DK126255B/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00—Medicinal preparations containing organic active ingredients
    • A61K31/33—Heterocyclic compounds
    • A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/495—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with two or more nitrogen atoms as the only ring heteroatoms, e.g. piperazine or tetrazines
    • A61K31/505—Pyrimidines; Hydrogenated pyrimidines, e.g. trimethoprim
    • A61K31/519—Pyrimidines; Hydrogenated pyrimidines, e.g. trimethoprim ortho- or peri-condensed with heterocyclic rings
    • A61K31/52—Purines, e.g. adenine
    • A61K31/522—Purines, e.g. adenine having oxo groups directly attached to the heterocyclic ring, e.g. hypoxanthine, guanine, acyclovir
    • 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
    • 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
    • C07D473/10—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 3 and 7, e.g. theobromine
DK455765AA 1964-09-05 1965-09-04 Analogous process for the preparation of 1 - [(ω-1) -oxoalkyl] -3,7- or 7 - [(ω-1) -oxoalkyl] -1,3-dimethylxanthines. DK126255B (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DEC33812A DE1235320B (en) 1964-09-05 1964-09-05 Process for the preparation of 1- (oxoalkyl) -3, 7-dimethylxanthines
DEC33811A DE1233405B (en) 1964-09-05 1964-09-05 Process for the preparation of 7- (oxoalkyl) -1, 3-dimethylxanthines
DEC0036289 1965-07-02
DEC0036362 1965-07-10

Publications (1)

Publication Number Publication Date
DK126255B true DK126255B (en) 1973-06-25

Family

ID=27436709

Family Applications (1)

Application Number Title Priority Date Filing Date
DK455765AA DK126255B (en) 1964-09-05 1965-09-04 Analogous process for the preparation of 1 - [(ω-1) -oxoalkyl] -3,7- or 7 - [(ω-1) -oxoalkyl] -1,3-dimethylxanthines.

Country Status (5)

Country Link
DK (1) DK126255B (en)
ES (1) ES317153A1 (en)
FI (1) FI45049C (en)
NO (1) NO123349B (en)
SE (1) SE345459B (en)

Also Published As

Publication number Publication date
ES317153A1 (en) 1966-01-01
SE345459B (en) 1972-05-29
NO123349B (en) 1971-11-01
FI45049B (en) 1971-11-30
FI45049C (en) 1972-03-10

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