CA1255326C - - Google Patents
Info
- Publication number
- CA1255326C CA1255326C CA 477420 CA477420A CA1255326C CA 1255326 C CA1255326 C CA 1255326C CA 477420 CA477420 CA 477420 CA 477420 A CA477420 A CA 477420A CA 1255326 C CA1255326 C CA 1255326C
- Authority
- CA
- Canada
- 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
- 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
- C07D207/273—2-Pyrrolidones 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 other ring carbon atoms
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P25/00—Drugs for disorders of the nervous system
- A61P25/28—Drugs for disorders of the nervous system for treating neurodegenerative disorders of the central nervous system, e.g. nootropic agents, cognition enhancers, drugs for treating Alzheimer's disease or other forms of dementia
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D309/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings
- C07D309/02—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings having no double bonds between ring members or between ring members and non-ring members
- C07D309/08—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings having no 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, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D309/10—Oxygen atoms
- C07D309/12—Oxygen atoms only hydrogen atoms and one oxygen atom directly attached to ring carbon atoms, e.g. tetrahydropyranyl ethers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/55—Design of synthesis routes, e.g. reducing the use of auxiliary or protecting groups
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Biomedical Technology (AREA)
- Neurology (AREA)
- Neurosurgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- General Health & Medical Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Medicinal Chemistry (AREA)
- Psychiatry (AREA)
- Hospice & Palliative Care (AREA)
- Pharmacology & Pharmacy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Pyrrole Compounds (AREA)
- Plural Heterocyclic Compounds (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Pyrane Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA000555348A CA1255326A (en) | 1984-04-02 | 1987-12-23 | 2-(4-halo-3-oxobutanamido)acetic acid derivatives as intermediates in the preparation of pyrrolidine derivatives |
| CA000555347A CA1268472A (en) | 1984-04-02 | 1987-12-23 | Intermediates for the preparation of pyrrolidine derivatives |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT20358/84A IT1173768B (it) | 1984-04-02 | 1984-04-02 | Procedimento di preparazione di derivati 1-carbamoilmetilici di 4-idrossi-2-osso-pirrolidina nonche' di intermedi per ottenere tali composti |
Related Child Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000555348A Division CA1255326A (en) | 1984-04-02 | 1987-12-23 | 2-(4-halo-3-oxobutanamido)acetic acid derivatives as intermediates in the preparation of pyrrolidine derivatives |
| CA000555347A Division CA1268472A (en) | 1984-04-02 | 1987-12-23 | Intermediates for the preparation of pyrrolidine derivatives |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA1241334A CA1241334A (en) | 1988-08-30 |
| CA1255326C true CA1255326C (ru) | 1989-06-06 |
Family
ID=11166012
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000477420A Expired CA1241334A (en) | 1984-04-02 | 1985-03-25 | PROCESS FOR THE PRODUCTION OF PYRROLIDONE DERIVATIVES |
Country Status (20)
| Country | Link |
|---|---|
| US (2) | US4629797A (ru) |
| EP (1) | EP0156655B1 (ru) |
| JP (1) | JPH0610191B2 (ru) |
| KR (1) | KR920000047B1 (ru) |
| AR (1) | AR240917A1 (ru) |
| AT (1) | ATE38832T1 (ru) |
| AU (1) | AU568274B2 (ru) |
| CA (1) | CA1241334A (ru) |
| DE (1) | DE3566403D1 (ru) |
| DK (1) | DK145485A (ru) |
| ES (4) | ES8700655A1 (ru) |
| FI (1) | FI82035C (ru) |
| GR (1) | GR850819B (ru) |
| HU (1) | HU193749B (ru) |
| IL (2) | IL74779A (ru) |
| IT (1) | IT1173768B (ru) |
| NO (1) | NO165676C (ru) |
| NZ (1) | NZ211705A (ru) |
| PT (1) | PT80202B (ru) |
| ZA (1) | ZA852263B (ru) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1206699B (it) * | 1984-02-27 | 1989-04-27 | Isf Spa | Procedimento per preparare derivati di pirrolidone. |
| EP0223328B1 (en) | 1985-07-26 | 1992-01-29 | Denki Kagaku Kogyo Kabushiki Kaisha | Process for producing oxiracetam |
| CH680293A5 (ru) * | 1990-06-26 | 1992-07-31 | Lonza Ag | |
| KR100498268B1 (ko) * | 1997-12-09 | 2005-11-01 | 주식회사 엘지생활건강 | 피롤리돈계 양쪽성 계면활성제 |
| US8904443B2 (en) * | 2005-09-07 | 2014-12-02 | Sony Corporation | System and method for improving home network GUI response time and presentation |
| CN101704778B (zh) * | 2009-09-30 | 2012-10-17 | 厦门市华兴化工有限公司 | 一种制备4-羟基吡咯烷酮-2-乙酰胺的方法 |
| CN103739538B (zh) * | 2011-01-21 | 2016-03-16 | 温州智创科技有限公司 | 一种（s）-奥拉西坦的制备方法 |
| CN102603598B (zh) * | 2011-01-21 | 2014-07-16 | 重庆润泽医药有限公司 | （s）-4-羟基-2-氧代-1-吡咯烷乙酰胺的制备方法 |
| CN102432516B (zh) * | 2011-12-14 | 2013-10-09 | 山东阿如拉药物研究开发有限公司 | 奥拉西坦的精制方法 |
| CN102627596B (zh) * | 2012-03-16 | 2016-01-27 | 天津景寅医药生物技术发展有限公司 | 一种4-羟基-2-氧代-1-吡咯烷乙酰胺的制备方法 |
| US9069141B2 (en) | 2012-12-10 | 2015-06-30 | Baker Hughes Incorporated | Fiber optic termination arrangement and method of making the same |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1075280B (it) * | 1977-02-11 | 1985-04-22 | Isf Spa | Procedimento per la preparazione di derivati pirrolidinici |
| IT1075564B (it) * | 1977-02-11 | 1985-04-22 | Isf Spa | Procedimento per la preparazione di derivati pirrolidinici |
-
1984
- 1984-04-02 IT IT20358/84A patent/IT1173768B/it active
-
1985
- 1985-03-25 CA CA000477420A patent/CA1241334A/en not_active Expired
- 1985-03-26 ZA ZA852263A patent/ZA852263B/xx unknown
- 1985-03-28 FI FI851244A patent/FI82035C/fi not_active IP Right Cessation
- 1985-03-29 JP JP60064068A patent/JPH0610191B2/ja not_active Expired - Lifetime
- 1985-03-29 AR AR299917A patent/AR240917A1/es active
- 1985-03-29 US US06/718,242 patent/US4629797A/en not_active Expired - Lifetime
- 1985-03-29 AU AU40704/85A patent/AU568274B2/en not_active Ceased
- 1985-03-30 KR KR1019850002148A patent/KR920000047B1/ko not_active IP Right Cessation
- 1985-04-01 DE DE8585302244T patent/DE3566403D1/de not_active Expired
- 1985-04-01 DK DK145485A patent/DK145485A/da not_active Application Discontinuation
- 1985-04-01 AT AT85302244T patent/ATE38832T1/de not_active IP Right Cessation
- 1985-04-01 NO NO851330A patent/NO165676C/no unknown
- 1985-04-01 HU HU851236A patent/HU193749B/hu not_active IP Right Cessation
- 1985-04-01 ES ES541811A patent/ES8700655A1/es not_active Expired
- 1985-04-01 GR GR850819A patent/GR850819B/el unknown
- 1985-04-01 EP EP85302244A patent/EP0156655B1/en not_active Expired
- 1985-04-01 PT PT80202A patent/PT80202B/pt not_active IP Right Cessation
- 1985-04-02 IL IL74779A patent/IL74779A/xx unknown
- 1985-04-04 NZ NZ211705A patent/NZ211705A/xx unknown
-
1986
- 1986-05-16 ES ES555010A patent/ES8706613A1/es not_active Expired
- 1986-05-16 ES ES555011A patent/ES8706601A1/es not_active Expired
- 1986-05-16 ES ES555009A patent/ES8800136A1/es not_active Expired
- 1986-08-29 US US06/902,268 patent/US4788300A/en not_active Expired - Lifetime
-
1987
- 1987-12-28 IL IL84951A patent/IL84951A/xx not_active IP Right Cessation
Also Published As
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |