ES2033388T3 - Procedimiento para preparar sales de metales alcalinos del acido 2-pirrolidon-5-carboxilico. - Google Patents

Procedimiento para preparar sales de metales alcalinos del acido 2-pirrolidon-5-carboxilico.

Info

Publication number
ES2033388T3
ES2033388T3 ES198888114644T ES88114644T ES2033388T3 ES 2033388 T3 ES2033388 T3 ES 2033388T3 ES 198888114644 T ES198888114644 T ES 198888114644T ES 88114644 T ES88114644 T ES 88114644T ES 2033388 T3 ES2033388 T3 ES 2033388T3
Authority
ES
Spain
Prior art keywords
carboxylic acid
pirrolidon
procedure
alkaline metals
preparing salts
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 - Lifetime
Application number
ES198888114644T
Other languages
English (en)
Inventor
Karlheinz Dr. Drauz
Hans-Peter Dr. Krimmer
Hans Remmel
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Evonik Operations GmbH
Original Assignee
Degussa GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Degussa GmbH filed Critical Degussa GmbH
Application granted granted Critical
Publication of ES2033388T3 publication Critical patent/ES2033388T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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)

Abstract

LAS SALES ALCALINOMETALICAS DEL ACIDO 2-PIRROLIDON-5-CARBOXILICO (ACIDO PIRROGLUTAMINICO) SE OBTIENEN CALENTANDO LA CORRESPONDIENTE SAL ALCALINOMETALICA DEL ACIDO GLUTAMINICO A UNA TEMPERATURA ENTRE SU PUNTO DE FUSION Y 270 (GRADOS) C HASTA QUE EL AGUA DE REACCION DE LA CONDENSACION INTRAMOLECULAR (CICLOCONDENSACION) HAYA SIDO ELIMINADA TOTALMENTE.
ES198888114644T 1987-10-17 1988-09-08 Procedimiento para preparar sales de metales alcalinos del acido 2-pirrolidon-5-carboxilico. Expired - Lifetime ES2033388T3 (es)

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
ES2033388T3 true ES2033388T3 (es) 1993-03-16

Family

ID=6338584

Family Applications (1)

Application Number Title Priority Date Filing Date
ES198888114644T Expired - Lifetime ES2033388T3 (es) 1987-10-17 1988-09-08 Procedimiento para preparar sales de metales alcalinos del acido 2-pirrolidon-5-carboxilico.

Country Status (8)

Country Link
US (1) US4946968A (es)
EP (1) EP0312752B1 (es)
JP (1) JPH01132559A (es)
AT (1) ATE73769T1 (es)
CA (1) CA1326036C (es)
DE (2) DE3735263C1 (es)
ES (1) ES2033388T3 (es)
GR (1) GR3004111T3 (es)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
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
DE59105327D1 (de) * 1991-03-28 1995-06-01 Amino Gmbh Verfahren zur Herstellung eines Feuchthaltemittels.
US5839447A (en) * 1993-01-11 1998-11-24 Lesser; Craig Cigarette filter containing microcapsules and sodium pyroglutamate
US5501238A (en) * 1993-01-11 1996-03-26 Von Borstel; Reid W. Cigarette filter containing a humectant
US5746231A (en) 1993-01-11 1998-05-05 Craig Lesser Tobacco smoke filter for removing toxic compounds
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
ES2275736T3 (es) * 2000-09-12 2007-06-16 Filligent Limited Filtro para humo de tabaco.
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
KR100695606B1 (ko) * 2003-02-18 2007-03-14 필링젠트 리미티드 금속 프탈로시아닌 및 다양이온 중합체를 함유하는 필터
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 (4)

* Cited by examiner, † Cited by third party
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 (es) * 1970-12-29 1974-07-10
JPS51110559A (en) * 1975-03-24 1976-09-30 Ajinomoto Kk 22 piroridon 55 karubonsanarukarikinzokuensuiyoekinoseizoho

Also Published As

Publication number Publication date
JPH0588705B2 (es) 1993-12-24
EP0312752B1 (de) 1992-03-18
JPH01132559A (ja) 1989-05-25
ATE73769T1 (de) 1992-04-15
EP0312752A2 (de) 1989-04-26
DE3869314D1 (de) 1992-04-23
US4946968A (en) 1990-08-07
GR3004111T3 (es) 1993-03-31
CA1326036C (en) 1994-01-11
DE3735263C1 (de) 1988-08-25
EP0312752A3 (en) 1990-09-12

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