ES2079931T3 - Procedimiento para la preparacion de 2,3,5(6) trialquil piracinas. - Google Patents

Procedimiento para la preparacion de 2,3,5(6) trialquil piracinas.

Info

Publication number
ES2079931T3
ES2079931T3 ES93113380T ES93113380T ES2079931T3 ES 2079931 T3 ES2079931 T3 ES 2079931T3 ES 93113380 T ES93113380 T ES 93113380T ES 93113380 T ES93113380 T ES 93113380T ES 2079931 T3 ES2079931 T3 ES 2079931T3
Authority
ES
Spain
Prior art keywords
preparation
piracinas
trialquil
procedure
compound
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
ES93113380T
Other languages
English (en)
Inventor
Teh-Kuei Chen
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.)
Societe des Produits Nestle SA
Nestle SA
Original Assignee
Societe des Produits Nestle SA
Nestle SA
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 Societe des Produits Nestle SA, Nestle SA filed Critical Societe des Produits Nestle SA
Application granted granted Critical
Publication of ES2079931T3 publication Critical patent/ES2079931T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D241/00—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings
    • C07D241/02—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings not condensed with other rings
    • C07D241/10—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members
    • C07D241/12—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D405/00—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom
    • C07D405/02—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings
    • C07D405/06—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings linked by a carbon chain containing only aliphatic carbon atoms

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)

Abstract

UN PROCESO PARA LA PREPARACION DE COMPUESTOS DE TRIALKILPIRAZINA QUE CONSISTE EN HACER REACCIONAR UN MEDIO ACUOSO QUE CONTENGA UNA 1HIDROXI-2-CETONA, UN COMPUESTO AMONICO Y UN ALDEHIDO DURANTE LA CUAL SE AÑADE LA 1-HIDROXI-2-CETONA A MODO DE GOTAS PARA FORMAR UN COMPUESTO DE TRIALKILPIRAZINA Y SEPARAR EL COMPUESTO DE TRIALKILPIRAZINA.
ES93113380T 1992-09-29 1993-08-21 Procedimiento para la preparacion de 2,3,5(6) trialquil piracinas. Expired - Lifetime ES2079931T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/953,466 US5304648A (en) 1992-09-29 1992-09-29 Pyrazine preparation

Publications (1)

Publication Number Publication Date
ES2079931T3 true ES2079931T3 (es) 1996-01-16

Family

ID=25494039

Family Applications (1)

Application Number Title Priority Date Filing Date
ES93113380T Expired - Lifetime ES2079931T3 (es) 1992-09-29 1993-08-21 Procedimiento para la preparacion de 2,3,5(6) trialquil piracinas.

Country Status (9)

Country Link
US (1) US5304648A (es)
EP (1) EP0590296B1 (es)
JP (1) JP3253192B2 (es)
AT (1) ATE129704T1 (es)
CA (1) CA2105937C (es)
DE (1) DE69300733T2 (es)
DK (1) DK0590296T3 (es)
ES (1) ES2079931T3 (es)
GR (1) GR3018154T3 (es)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09500400A (ja) * 1994-05-10 1997-01-14 フイルメニツヒ ソシエテ アノニム 置換ピラジンの製法
EP0779088B1 (fr) * 1995-12-14 2000-03-08 Societe Des Produits Nestle S.A. Appareil et procédé de distillation et d'extraction simultanées
US7947467B2 (en) * 2001-07-19 2011-05-24 Common Sense Ltd. Methods for monitoring pathological conditions in a female subject
US6627394B2 (en) 2001-07-19 2003-09-30 Common Sense Ltd. Diagnostic pad
US9256695B1 (en) 2009-09-30 2016-02-09 Saba Software, Inc. Method and system for sharing content
CN103497163A (zh) * 2013-10-10 2014-01-08 浦城县永芳香料科技有限公司 二甲基异丁基吡嗪的合成方法
CN109613177B (zh) 2014-07-01 2021-08-20 科蒙森斯公司 用于鉴定羊水的诊断组合物
US11091446B2 (en) * 2017-03-24 2021-08-17 R.J. Reynolds Tobacco Company Methods of selectively forming substituted pyrazines

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4046763A (en) * 1968-11-08 1977-09-06 Mcneil Laboratories, Incorporated 2,3-Diphenyl-5-ethylpyrazine
DE2140649C3 (de) * 1971-08-13 1981-02-19 Chemische Werke Huels Ag, 4370 Marl Verfahren zur Herstellung von Tetraalkylpyrazinen
JPS5337675A (en) * 1976-09-20 1978-04-06 Tokai Electro Chemical Co Production of pyrazines
US4855431A (en) * 1983-01-13 1989-08-08 Mobil Oil Corp. Process for making alkyl pyrazines
JPH0665668B2 (ja) * 1985-05-10 1994-08-24 サントリー株式会社 フエニルピラジン誘導体および抗血栓剤
JPH0674254B2 (ja) * 1986-06-13 1994-09-21 広栄化学工業株式会社 ピラジン誘導体の製造法
US4788289A (en) * 1986-10-24 1988-11-29 Texaco Inc. Process for preparing pyrazines from hydroxyamines
KR900003091B1 (ko) * 1987-12-31 1990-05-07 재단법인 한국화학연구소 피라진류의 제조방법
CH681226A5 (en) * 1990-05-02 1993-02-15 Firmenich & Cie Prepn. of unsymmetrical alkyl-pyrazine(s) - by thermal cyclisation of new oximino-aza:diene(s)
CA2062149A1 (en) * 1991-03-26 1992-09-27 Teh-Kuei Chen Preparation of pyrazines

Also Published As

Publication number Publication date
DE69300733D1 (de) 1995-12-07
CA2105937A1 (en) 1994-03-30
EP0590296A1 (en) 1994-04-06
JPH06192237A (ja) 1994-07-12
US5304648A (en) 1994-04-19
ATE129704T1 (de) 1995-11-15
JP3253192B2 (ja) 2002-02-04
DE69300733T2 (de) 1996-04-04
EP0590296B1 (en) 1995-11-02
GR3018154T3 (en) 1996-02-29
CA2105937C (en) 2004-04-06
DK0590296T3 (da) 1996-03-04

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