GB2091265B - Xanthine derivatives - Google Patents

Xanthine derivatives

Info

Publication number
GB2091265B
GB2091265B GB8201284A GB8201284A GB2091265B GB 2091265 B GB2091265 B GB 2091265B GB 8201284 A GB8201284 A GB 8201284A GB 8201284 A GB8201284 A GB 8201284A GB 2091265 B GB2091265 B GB 2091265B
Authority
GB
United Kingdom
Prior art keywords
xanthine derivatives
xanthine
derivatives
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.)
Expired
Application number
GB8201284A
Other versions
GB2091265A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
John Wyeth and Brother Ltd
Original Assignee
John Wyeth and Brother Ltd
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
Application filed by John Wyeth and Brother Ltd filed Critical John Wyeth and Brother Ltd
Priority to GB8201284A priority Critical patent/GB2091265B/en
Publication of GB2091265A publication Critical patent/GB2091265A/en
Application granted granted Critical
Publication of GB2091265B publication Critical patent/GB2091265B/en
Expired 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
    • 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)
GB8201284A 1981-01-21 1982-01-18 Xanthine derivatives Expired GB2091265B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8201284A GB2091265B (en) 1981-01-21 1982-01-18 Xanthine derivatives

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8101820 1981-01-21
GB8201284A GB2091265B (en) 1981-01-21 1982-01-18 Xanthine derivatives

Publications (2)

Publication Number Publication Date
GB2091265A GB2091265A (en) 1982-07-28
GB2091265B true GB2091265B (en) 1984-06-06

Family

ID=26278173

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8201284A Expired GB2091265B (en) 1981-01-21 1982-01-18 Xanthine derivatives

Country Status (1)

Country Link
GB (1) GB2091265B (en)

Also Published As

Publication number Publication date
GB2091265A (en) 1982-07-28

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20010118