GB2006765A - Tricyclic purine derivatives, their preparation and pharmaceutical compositions containing them - Google Patents
Tricyclic purine derivatives, their preparation and pharmaceutical compositions containing themInfo
- Publication number
- GB2006765A GB2006765A GB7839604A GB7839604A GB2006765A GB 2006765 A GB2006765 A GB 2006765A GB 7839604 A GB7839604 A GB 7839604A GB 7839604 A GB7839604 A GB 7839604A GB 2006765 A GB2006765 A GB 2006765A
- Authority
- GB
- United Kingdom
- Prior art keywords
- pharmaceutical compositions
- tricyclic
- preparation
- compositions containing
- purine 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.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D487/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00
- C07D487/12—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00 in which the condensed system contains three hetero rings
- C07D487/14—Ortho-condensed systems
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D513/00—Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for in groups C07D463/00, C07D477/00 or C07D499/00 - C07D507/00
- C07D513/12—Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for in groups C07D463/00, C07D477/00 or C07D499/00 - C07D507/00 in which the condensed system contains three hetero rings
- C07D513/14—Ortho-condensed systems
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Abstract
Compounds of the general formula <IMAGE> wherein R represents hydroxy alkoxy or acyloxy Q is sulfur or a =N-R<1> group, wherein R<1> is hydrogen, C1-5 alkyl or aralkyl or C2-4 acyl and acid addition salts thereof may be prepared from theophylline derivatives. They are of interest in heart therapy and for improving peripheral circulation, and can be formulated into pharmaceutical compositions in conventional manner.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB7839604A GB2006765B (en) | 1978-10-06 | 1978-10-06 | Purine derivatives their preparation and pharmaceutical compositions containing them |
BE78191063A BE871195A (en) | 1978-10-06 | 1978-10-12 | NEW CONDENSED DERIVATIVES OF PROCESS PURINE FOR THEIR PREPARATION. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB7839604A GB2006765B (en) | 1978-10-06 | 1978-10-06 | Purine derivatives their preparation and pharmaceutical compositions containing them |
BE78191063A BE871195A (en) | 1978-10-06 | 1978-10-12 | NEW CONDENSED DERIVATIVES OF PROCESS PURINE FOR THEIR PREPARATION. |
Publications (2)
Publication Number | Publication Date |
---|---|
GB2006765A true GB2006765A (en) | 1979-05-10 |
GB2006765B GB2006765B (en) | 1982-12-08 |
Family
ID=25651046
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB7839604A Expired GB2006765B (en) | 1978-10-06 | 1978-10-06 | Purine derivatives their preparation and pharmaceutical compositions containing them |
Country Status (2)
Country | Link |
---|---|
BE (1) | BE871195A (en) |
GB (1) | GB2006765B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6586429B2 (en) * | 2000-11-29 | 2003-07-01 | Cell Therapeutics, Inc. | Tricyclic fused xanthine compounds and their uses |
-
1978
- 1978-10-06 GB GB7839604A patent/GB2006765B/en not_active Expired
- 1978-10-12 BE BE78191063A patent/BE871195A/en not_active IP Right Cessation
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6586429B2 (en) * | 2000-11-29 | 2003-07-01 | Cell Therapeutics, Inc. | Tricyclic fused xanthine compounds and their uses |
US7247630B2 (en) | 2000-11-29 | 2007-07-24 | Cell Therapeutics, Inc. | Uses of tricyclic compounds |
Also Published As
Publication number | Publication date |
---|---|
BE871195A (en) | 1979-02-01 |
GB2006765B (en) | 1982-12-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |