BE727659A - - Google Patents
Info
- Publication number
- BE727659A BE727659A BE727659DA BE727659A BE 727659 A BE727659 A BE 727659A BE 727659D A BE727659D A BE 727659DA BE 727659 A BE727659 A BE 727659A
- Authority
- BE
- Belgium
Links
Classifications
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D239/00—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings
- C07D239/02—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings
- C07D239/24—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members
- C07D239/28—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, directly attached to ring carbon atoms
- C07D239/46—Two or more oxygen, sulphur or nitrogen atoms
- C07D239/52—Two oxygen atoms
- C07D239/54—Two oxygen atoms as doubly bound oxygen atoms or as unsubstituted hydroxy radicals
- C07D239/545—Two oxygen atoms as doubly bound oxygen atoms or as unsubstituted hydroxy radicals with other hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, directly attached to ring carbon atoms
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- 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)
- Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL124974A PL64157B1 (de) | 1968-01-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE727659A true BE727659A (de) | 1969-07-01 |
Family
ID=19949864
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE727659D BE727659A (de) | 1968-01-30 | 1969-01-30 |
Country Status (4)
Country | Link |
---|---|
BE (1) | BE727659A (de) |
CH (1) | CH491124A (de) |
FR (1) | FR2000943A1 (de) |
GB (1) | GB1226251A (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1195778B (it) * | 1981-04-15 | 1988-10-27 | Lab Farmaco Biolog Crosara Srl | Derivati della teofillina 7-sostituiti |
US5641783A (en) * | 1993-11-12 | 1997-06-24 | Cell Therapeutics, Inc. | Substituted amino alcohol compounds |
US5837703A (en) * | 1993-03-31 | 1998-11-17 | Cell Therapeutics, Inc. | Amino-alcohol substituted cyclic compounds |
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1969
- 1969-01-15 GB GB1226251D patent/GB1226251A/en not_active Expired
- 1969-01-16 CH CH59569A patent/CH491124A/fr not_active IP Right Cessation
- 1969-01-21 FR FR6901029A patent/FR2000943A1/fr not_active Withdrawn
- 1969-01-30 BE BE727659D patent/BE727659A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
FR2000943A1 (de) | 1969-09-19 |
GB1226251A (de) | 1971-03-24 |
CH491124A (fr) | 1970-05-31 |