ES8304980A1 - "procedimiento para la preparacion de nuevos derivados de xantina". - Google Patents
"procedimiento para la preparacion de nuevos derivados de xantina".Info
- Publication number
- ES8304980A1 ES8304980A1 ES508103A ES508103A ES8304980A1 ES 8304980 A1 ES8304980 A1 ES 8304980A1 ES 508103 A ES508103 A ES 508103A ES 508103 A ES508103 A ES 508103A ES 8304980 A1 ES8304980 A1 ES 8304980A1
- Authority
- ES
- Spain
- Prior art keywords
- xanthine derivative
- general formula
- group
- xanthine
- reaction
- 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
Links
Classifications
-
- 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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Abstract
_(PROCEDIMIENTO DE OBTENCION DE DERIVADOS DE XANTINA . CONSISTE EN CICLIZAR UN URACILO DE FORMULA GENERAL (II) POR CALENTAMIENTO CON UNA DISOLUCION ACUOSA DE HIDROXIDO SODICO O POTASICO A LA TEMPERATURA DE EBULLICION DE LA MEZCLA. TERMINADA LA REACCION SE ACIFICA LA MEZCLA DE REACCION CON LO QUE SE PRECIPITA EL DERIVADO DE XANTINA DE FORMULA GENERAL (I) EL CUAL ES AISLADO. R Y R REPRESENTAN CADA UNO EN GRUPO CON 1 A 6 ATOMOS DE CARBONO; R ES UN GRUPO CICLOHEXENILO, FURILO, TETRAHIDROFURILO O TIENILO.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB8041247 | 1980-12-23 | ||
| GB8121332 | 1981-07-10 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| ES8304980A1 true ES8304980A1 (es) | 1983-04-01 |
| ES508103A0 ES508103A0 (es) | 1983-04-01 |
Family
ID=26277965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES508103A Granted ES508103A0 (es) | 1980-12-23 | 1981-12-17 | "procedimiento para la preparacion de nuevos derivados de xantina". |
Country Status (16)
| Country | Link |
|---|---|
| AR (1) | AR229037A1 (es) |
| AU (1) | AU7868481A (es) |
| DE (1) | DE3150550A1 (es) |
| DK (1) | DK571581A (es) |
| ES (1) | ES508103A0 (es) |
| FI (1) | FI814105A7 (es) |
| FR (1) | FR2498602A1 (es) |
| GR (1) | GR76972B (es) |
| IT (1) | IT1195301B (es) |
| LU (1) | LU83849A1 (es) |
| MA (1) | MA19357A1 (es) |
| NL (1) | NL8105749A (es) |
| NO (1) | NO814373L (es) |
| NZ (1) | NZ199340A (es) |
| PT (1) | PT74190B (es) |
| SE (1) | SE8107683L (es) |
-
1981
- 1981-12-11 MA MA19561A patent/MA19357A1/fr unknown
- 1981-12-17 ES ES508103A patent/ES508103A0/es active Granted
- 1981-12-20 AR AR287909A patent/AR229037A1/es active
- 1981-12-21 NL NL8105749A patent/NL8105749A/nl not_active Application Discontinuation
- 1981-12-21 NZ NZ199340A patent/NZ199340A/en unknown
- 1981-12-21 FI FI814105A patent/FI814105A7/fi not_active Application Discontinuation
- 1981-12-21 AU AU78684/81A patent/AU7868481A/en not_active Abandoned
- 1981-12-21 SE SE8107683A patent/SE8107683L/xx not_active Application Discontinuation
- 1981-12-21 FR FR8124455A patent/FR2498602A1/fr not_active Withdrawn
- 1981-12-21 IT IT25728/81A patent/IT1195301B/it active
- 1981-12-21 NO NO814373A patent/NO814373L/no unknown
- 1981-12-21 GR GR66870A patent/GR76972B/el unknown
- 1981-12-21 DE DE19813150550 patent/DE3150550A1/de not_active Withdrawn
- 1981-12-22 PT PT74190A patent/PT74190B/pt unknown
- 1981-12-22 DK DK571581A patent/DK571581A/da not_active Application Discontinuation
- 1981-12-22 LU LU83849A patent/LU83849A1/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| PT74190A (en) | 1982-01-01 |
| FI814105L (fi) | 1982-06-24 |
| FR2498602A1 (fr) | 1982-07-30 |
| FI814105A7 (fi) | 1982-06-24 |
| AU7868481A (en) | 1982-07-01 |
| IT8125728A0 (it) | 1981-12-21 |
| DE3150550A1 (de) | 1982-08-12 |
| NO814373L (no) | 1982-06-24 |
| LU83849A1 (en) | 1982-05-07 |
| DK571581A (da) | 1982-06-24 |
| NL8105749A (nl) | 1982-07-16 |
| GR76972B (es) | 1984-09-04 |
| AR229037A1 (es) | 1983-05-31 |
| NZ199340A (en) | 1984-07-06 |
| SE8107683L (sv) | 1982-06-24 |
| IT1195301B (it) | 1988-10-12 |
| ES508103A0 (es) | 1983-04-01 |
| PT74190B (en) | 1983-05-20 |
| MA19357A1 (fr) | 1982-07-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FD1A | Patent lapsed |
Effective date: 19991102 |