PH22822A - Improved process for the preparation of dihydro-1h-pyrrolizine-3,5-(2h,6h)-dione - Google Patents
Improved process for the preparation of dihydro-1h-pyrrolizine-3,5-(2h,6h)-dioneInfo
- Publication number
- PH22822A PH22822A PH35039A PH35039A PH22822A PH 22822 A PH22822 A PH 22822A PH 35039 A PH35039 A PH 35039A PH 35039 A PH35039 A PH 35039A PH 22822 A PH22822 A PH 22822A
- Authority
- PH
- Philippines
- Prior art keywords
- pyrrolizine
- dione
- dihydro
- preparation
- improved process
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D207/00—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom
- C07D207/02—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D207/18—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having one double bond between ring members or between a ring member and a non-ring member
- C07D207/22—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having one double bond between ring members or between a ring member and a non-ring member with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D207/24—Oxygen or sulfur atoms
- C07D207/26—2-Pyrrolidones
-
- 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
- C07D487/02—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 two hetero rings
- C07D487/04—Ortho-condensed systems
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Pyrrole Compounds (AREA)
- Steroid Compounds (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/842,702 US4663464A (en) | 1986-03-21 | 1986-03-21 | Process for the preparation of dihydro-1H-pyrrolizine-3,5-(2H,6H)-dione |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PH22822A true PH22822A (en) | 1989-01-19 |
Family
ID=25288045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PH35039A PH22822A (en) | 1986-03-21 | 1987-03-17 | Improved process for the preparation of dihydro-1h-pyrrolizine-3,5-(2h,6h)-dione |
Country Status (17)
| Country | Link |
|---|---|
| US (1) | US4663464A (de) |
| EP (1) | EP0238088B1 (de) |
| JP (1) | JPS62230784A (de) |
| KR (1) | KR870008888A (de) |
| AT (1) | ATE57929T1 (de) |
| AU (1) | AU586070B2 (de) |
| CA (1) | CA1280423C (de) |
| DE (1) | DE3765810D1 (de) |
| DK (1) | DK141987A (de) |
| ES (1) | ES2018661B3 (de) |
| FI (1) | FI871195A (de) |
| GR (1) | GR3001042T3 (de) |
| NO (1) | NO164297C (de) |
| NZ (1) | NZ219713A (de) |
| PH (1) | PH22822A (de) |
| PT (1) | PT84517B (de) |
| ZA (1) | ZA871307B (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4977235A (en) * | 1989-02-23 | 1990-12-11 | Shell Oil Company | Polyarylate polymers |
| US4914176A (en) * | 1989-03-17 | 1990-04-03 | Shell Oil Company | Poly(heterocyclic) polymers |
| US5969833A (en) * | 1996-10-09 | 1999-10-19 | Tyco Submarine Systems Ltd. | Monitoring system using an optical side tone as a test signal |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5129484A (en) * | 1974-09-05 | 1976-03-12 | Juki Gosei Yakuhin Kogyo Kk | Deshiritsutoru 22 * 33pirijiru * pirorijin no seizoho |
| US4372966A (en) * | 1980-09-15 | 1983-02-08 | Warner-Lambert Company | Use of dihydro-1H-pyrrolizine-3,5(2H,6H)-dione as a cognition activator |
| US4581462A (en) * | 1983-08-25 | 1986-04-08 | The Upjohn Company | Pyrrolizidine-3-ones |
| US4551470A (en) * | 1983-08-29 | 1985-11-05 | Warner-Lambert Company | Hexahydro-3,5-dioxo-1H-pyrrolizine-2-carboxylic acid and derivatives, and use for reversing electroconvulsive shock amnesia |
| US4548947A (en) * | 1984-05-07 | 1985-10-22 | Warner-Lambert Company | 1-(Substituted-aryl)-dihydro-1H-pyrrolizine-3,5-[2H,6H-]diones and use for reversing amnesia |
| US4563469A (en) * | 1984-07-20 | 1986-01-07 | Warner-Lambert Company | Derivatives of N-[2-(tetrahydro-3,5-dioxo-1H-pyrrolizin-7a(5H)-yl)ethyl]amine as cognition activators |
-
1986
- 1986-03-21 US US06/842,702 patent/US4663464A/en not_active Expired - Fee Related
-
1987
- 1987-02-18 CA CA000530033A patent/CA1280423C/en not_active Expired - Fee Related
- 1987-02-23 ZA ZA871307A patent/ZA871307B/xx unknown
- 1987-02-24 AU AU69192/87A patent/AU586070B2/en not_active Ceased
- 1987-03-17 PH PH35039A patent/PH22822A/en unknown
- 1987-03-18 FI FI871195A patent/FI871195A/fi not_active Application Discontinuation
- 1987-03-19 DK DK141987A patent/DK141987A/da not_active Application Discontinuation
- 1987-03-19 PT PT84517A patent/PT84517B/pt not_active IP Right Cessation
- 1987-03-20 AT AT87104088T patent/ATE57929T1/de not_active IP Right Cessation
- 1987-03-20 JP JP62064430A patent/JPS62230784A/ja active Pending
- 1987-03-20 KR KR870002527A patent/KR870008888A/ko not_active Application Discontinuation
- 1987-03-20 NZ NZ219713A patent/NZ219713A/xx unknown
- 1987-03-20 ES ES87104088T patent/ES2018661B3/es not_active Expired - Lifetime
- 1987-03-20 NO NO871174A patent/NO164297C/no unknown
- 1987-03-20 EP EP87104088A patent/EP0238088B1/de not_active Expired - Lifetime
- 1987-03-20 DE DE8787104088T patent/DE3765810D1/de not_active Expired - Fee Related
-
1990
- 1990-11-01 GR GR90400861T patent/GR3001042T3/el unknown
Also Published As
| Publication number | Publication date |
|---|---|
| KR870008888A (ko) | 1987-10-21 |
| DK141987D0 (da) | 1987-03-19 |
| ATE57929T1 (de) | 1990-11-15 |
| NO871174L (no) | 1987-09-22 |
| FI871195A (fi) | 1987-09-22 |
| ES2018661B3 (es) | 1991-05-01 |
| CA1280423C (en) | 1991-02-19 |
| FI871195A0 (fi) | 1987-03-18 |
| DK141987A (da) | 1987-09-22 |
| AU586070B2 (en) | 1989-06-29 |
| NZ219713A (en) | 1989-06-28 |
| EP0238088A2 (de) | 1987-09-23 |
| ZA871307B (en) | 1988-09-28 |
| NO871174D0 (no) | 1987-03-20 |
| AU6919287A (en) | 1987-09-24 |
| NO164297B (no) | 1990-06-11 |
| GR3001042T3 (en) | 1992-01-20 |
| EP0238088B1 (de) | 1990-10-31 |
| PT84517B (pt) | 1989-11-10 |
| PT84517A (en) | 1987-04-01 |
| EP0238088A3 (en) | 1989-02-22 |
| NO164297C (no) | 1990-09-19 |
| DE3765810D1 (de) | 1990-12-06 |
| JPS62230784A (ja) | 1987-10-09 |
| US4663464A (en) | 1987-05-05 |
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