DE69300733T2 - Verfahren zur Herstellung von 2,3,5(6) Trialkyl-Pyrazine. - Google Patents

Verfahren zur Herstellung von 2,3,5(6) Trialkyl-Pyrazine.

Info

Publication number
DE69300733T2
DE69300733T2 DE69300733T DE69300733T DE69300733T2 DE 69300733 T2 DE69300733 T2 DE 69300733T2 DE 69300733 T DE69300733 T DE 69300733T DE 69300733 T DE69300733 T DE 69300733T DE 69300733 T2 DE69300733 T2 DE 69300733T2
Authority
DE
Germany
Prior art keywords
trialkyl
preparation
pyrazines
pyrazine
ketone
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 - Fee Related
Application number
DE69300733T
Other languages
English (en)
Other versions
DE69300733D1 (de
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 DE69300733D1 publication Critical patent/DE69300733D1/de
Publication of DE69300733T2 publication Critical patent/DE69300733T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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)
DE69300733T 1992-09-29 1993-08-21 Verfahren zur Herstellung von 2,3,5(6) Trialkyl-Pyrazine. Expired - Fee Related DE69300733T2 (de)

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 (2)

Publication Number Publication Date
DE69300733D1 DE69300733D1 (de) 1995-12-07
DE69300733T2 true DE69300733T2 (de) 1996-04-04

Family

ID=25494039

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69300733T Expired - Fee Related DE69300733T2 (de) 1992-09-29 1993-08-21 Verfahren zur Herstellung von 2,3,5(6) Trialkyl-Pyrazine.

Country Status (9)

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

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995030660A1 (fr) * 1994-05-10 1995-11-16 Firmenich S.A. Procede pour la preparation de pyrazines substituees
DK0779088T3 (da) * 1995-12-14 2000-06-05 Nestle Sa Apparat og fremgangsmåde til samtidig destillation og ekstraktion
US6627394B2 (en) 2001-07-19 2003-09-30 Common Sense Ltd. Diagnostic pad
US7947467B2 (en) * 2001-07-19 2011-05-24 Common Sense Ltd. Methods for monitoring pathological conditions in a female subject
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
CN105277656B (zh) 2014-07-01 2018-12-25 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
ES2079931T3 (es) 1996-01-16
CA2105937A1 (en) 1994-03-30
EP0590296B1 (de) 1995-11-02
JP3253192B2 (ja) 2002-02-04
CA2105937C (en) 2004-04-06
US5304648A (en) 1994-04-19
ATE129704T1 (de) 1995-11-15
JPH06192237A (ja) 1994-07-12
GR3018154T3 (en) 1996-02-29
DK0590296T3 (da) 1996-03-04
DE69300733D1 (de) 1995-12-07
EP0590296A1 (de) 1994-04-06

Similar Documents

Publication Publication Date Title
SE8400039L (sv) Isomera o-fosfonylmetylderivat av enantiomera och racemiska vicinala dioler samt sett att framstella dem
ATE194601T1 (de) Verfahren zur herstellung von pyrimidinverbindungen
DE58909125D1 (de) Verfahren zur Herstellung von Diorganodialkoxysilanen.
DE69300733T2 (de) Verfahren zur Herstellung von 2,3,5(6) Trialkyl-Pyrazine.
ATE13666T1 (de) Verfahren zur herstellung von cyclohexenderivaten.
ATE194341T1 (de) Verfahren zur herstellng von cyano- methoxyiminomethylderivaten
DE59305238D1 (de) Verfahren zur Herstellung von Metallkomplexen der N-beta-Hydroxy-alkyl-tri-N-carboxyalkyl-1,4,7,10-tetraazacyclododecan- und N-beta-Hydroxyalkyl-tri-N-carboxyalkyl-1,4,8,11-tetraazacyclotetradecan-Derivate
AU631321B2 (en) Process for the preparation of substituted and unsubstituted-2,3-pyridinedicarboxylates from chloromaleate or chlorofumurate or mixtures thereof
ATE68499T1 (de) Verfahren zur herstellung von n-substituierten aminomethylphosphonsaeuren.
DE59307005D1 (de) Verfahren zur Herstellung von Ph3C[B(C6F5)4]
DE3673110D1 (de) Verfahren zur herstellung von n-alkyl-substituierten hydroxylammoniumchloriden.
ATE23989T1 (de) Verfahren zur herstellung von n,n'-bis(2hydroxyethyl)oxamid.
EP0319325A3 (de) Photoempfindliches Material und Verfahren zur Herstellung von Strukturen damit
ATE139999T1 (de) Verfahren zur herstellung von fluormethyl- substituierter piperidin-carbodithioaten
DE69016380D1 (de) Verfahren zur Herstellung von molluskiziden 2,4,5-Tribrompyrrol-3-Carbonitrilen.
ATE25680T1 (de) Verfahren zur herstellung von 4-amino-5-dialkoxy- methylpyrimidinderivaten.
DE3766989D1 (de) Verfahren zur herstellung von polyenaldehyden.
ATE135692T1 (de) Verfahren zur herstellung von dichlormethylpyridinen
FR2528042B1 (de)
IL69416A (en) Process for inverting the configuration of optically active 1-(2-cyclopentyl)phenoxy-3-t butylamino-2-propanols,and optically active intermediates produced in this process
DK228084A (da) Oxytetracyclinoploesninger
ATE105832T1 (de) Verfahren zur herstellung von staubfreiem silbernitrat.
DE69114741D1 (de) Verfahren zur Herstellung von Fluoromethyl-substituierten Pyridindicarboxylaten.
ATE116288T1 (de) Verfahren zur herstellung von sulfonylisocyanaten.

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee