GR3004111T3 - - Google Patents
Info
- Publication number
- GR3004111T3 GR3004111T3 GR920400475T GR920400475T GR3004111T3 GR 3004111 T3 GR3004111 T3 GR 3004111T3 GR 920400475 T GR920400475 T GR 920400475T GR 920400475 T GR920400475 T GR 920400475T GR 3004111 T3 GR3004111 T3 GR 3004111T3
- Authority
- GR
- Greece
- Prior art keywords
- alkali metal
- acid
- cyclocondensation
- pyrrolidone
- prepared
- 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
- 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
- C07D207/277—Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
- C07D207/28—2-Pyrrolidone-5- carboxylic acids; Functional derivatives thereof, e.g. esters, nitriles
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Pyrrole Compounds (AREA)
- Polyamides (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3735263A DE3735263C1 (de) | 1987-10-17 | 1987-10-17 | Verfahren zur Herstellung von Alkalimetallsalzen der L-2-Pyrrolidon-5-carbonsaeure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GR3004111T3 true GR3004111T3 (el) | 1993-03-31 |
Family
ID=6338584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GR920400475T GR3004111T3 (el) | 1987-10-17 | 1992-03-19 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US4946968A (el) |
| EP (1) | EP0312752B1 (el) |
| JP (1) | JPH01132559A (el) |
| AT (1) | ATE73769T1 (el) |
| CA (1) | CA1326036C (el) |
| DE (2) | DE3735263C1 (el) |
| ES (1) | ES2033388T3 (el) |
| GR (1) | GR3004111T3 (el) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3833972A1 (de) * | 1988-10-06 | 1990-04-12 | Degussa | Derivate der 2-pyrrolidon-5-carbonsaeure und verfahren zu ihrer gewinnung |
| EP0505596B1 (de) * | 1991-03-28 | 1995-04-26 | AMINO GmbH | Verfahren zur Herstellung eines Feuchthaltemittels |
| US5839447A (en) * | 1993-01-11 | 1998-11-24 | Lesser; Craig | Cigarette filter containing microcapsules and sodium pyroglutamate |
| US5746231A (en) | 1993-01-11 | 1998-05-05 | Craig Lesser | Tobacco smoke filter for removing toxic compounds |
| US5501238A (en) * | 1993-01-11 | 1996-03-26 | Von Borstel; Reid W. | Cigarette filter containing a humectant |
| US6205745B1 (en) * | 1998-05-27 | 2001-03-27 | Lucent Technologies Inc. | High speed flip-chip dispensing |
| DE19910504A1 (de) * | 1999-03-10 | 2000-09-14 | Basf Ag | Verfahren zur Reinigung von N-substituierten Lactamen |
| KR100383447B1 (ko) * | 2000-06-29 | 2003-05-12 | 윤정길 | 2-피롤리돈-5-카르복시산 나트륨염 수용액의 제조방법 |
| RU2254790C2 (ru) * | 2000-09-12 | 2005-06-27 | Филлижент Лимитед | Табачный фильтр |
| US7326541B2 (en) * | 2000-12-19 | 2008-02-05 | Targanta Therapeutics, Inc. | Fragments and variants of Staphylococcus aureus DNAG primase, and uses thereof |
| JP2003034680A (ja) | 2001-07-19 | 2003-02-07 | Ajinomoto Co Inc | ピロリドンカルボン酸又はその塩の製造法 |
| PT1594376E (pt) * | 2003-02-18 | 2007-01-31 | Filligent Ltd | Filtro contendo uma ftalocianina e um polímero policationico |
| CN101298432B (zh) * | 2008-05-30 | 2010-12-22 | 广州市星业科技发展有限公司 | L-吡咯烷酮羧酸钠的制备方法 |
| JP2021008408A (ja) * | 2017-10-05 | 2021-01-28 | 味の素株式会社 | 光学活性ピロリドンカルボン酸またはそのアルカリ金属塩の製造方法 |
| CN108516949A (zh) * | 2018-04-27 | 2018-09-11 | 宜兴市前成生物有限公司 | 一种制备l-焦谷氨酸螯合钙的方法 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3243440A (en) * | 1962-04-27 | 1966-03-29 | Inst Noguchi | Process for producing pyrrolidone carboxylic acid derivatives which comprise heatingalpha-hydroxy-glutaronitrile with water |
| US3235563A (en) * | 1962-12-18 | 1966-02-15 | Inst Noguchi | Process for producing dl-2-pyrrolidone-carboxylic acid by heating glutamic acid withfrom 0.5 to 15 parts by weight of water per part of glutamic acid |
| JPS4926623B1 (el) * | 1970-12-29 | 1974-07-10 | ||
| JPS51110559A (en) * | 1975-03-24 | 1976-09-30 | Ajinomoto Kk | 22 piroridon 55 karubonsanarukarikinzokuensuiyoekinoseizoho |
| JPS64559A (en) * | 1987-02-17 | 1989-01-05 | Fuji Photo Film Co Ltd | Image recording device |
-
1987
- 1987-10-17 DE DE3735263A patent/DE3735263C1/de not_active Expired
-
1988
- 1988-09-08 ES ES198888114644T patent/ES2033388T3/es not_active Expired - Lifetime
- 1988-09-08 EP EP88114644A patent/EP0312752B1/de not_active Expired - Lifetime
- 1988-09-08 DE DE8888114644T patent/DE3869314D1/de not_active Expired - Lifetime
- 1988-09-08 AT AT88114644T patent/ATE73769T1/de not_active IP Right Cessation
- 1988-10-11 JP JP63253966A patent/JPH01132559A/ja active Granted
- 1988-10-14 CA CA000580239A patent/CA1326036C/en not_active Expired - Fee Related
- 1988-10-17 US US07/258,740 patent/US4946968A/en not_active Expired - Lifetime
-
1992
- 1992-03-19 GR GR920400475T patent/GR3004111T3/el unknown
Also Published As
| Publication number | Publication date |
|---|---|
| EP0312752B1 (de) | 1992-03-18 |
| JPH01132559A (ja) | 1989-05-25 |
| US4946968A (en) | 1990-08-07 |
| ATE73769T1 (de) | 1992-04-15 |
| DE3869314D1 (de) | 1992-04-23 |
| JPH0588705B2 (el) | 1993-12-24 |
| DE3735263C1 (de) | 1988-08-25 |
| EP0312752A2 (de) | 1989-04-26 |
| ES2033388T3 (es) | 1993-03-16 |
| CA1326036C (en) | 1994-01-11 |
| EP0312752A3 (en) | 1990-09-12 |
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