GR3018154T3 - Process for the preparation of 2,3,5(6) trialkyl pyrazines. - Google Patents

Process for the preparation of 2,3,5(6) trialkyl pyrazines.

Info

Publication number
GR3018154T3
GR3018154T3 GR950403272T GR950403272T GR3018154T3 GR 3018154 T3 GR3018154 T3 GR 3018154T3 GR 950403272 T GR950403272 T GR 950403272T GR 950403272 T GR950403272 T GR 950403272T GR 3018154 T3 GR3018154 T3 GR 3018154T3
Authority
GR
Greece
Prior art keywords
trialkyl
preparation
pyrazines
pyrazine
ketone
Prior art date
Application number
GR950403272T
Other languages
English (en)
Inventor
Teh-Kuei Chen
Original Assignee
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 Nestle Sa filed Critical Nestle Sa
Publication of GR3018154T3 publication Critical patent/GR3018154T3/el

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)
GR950403272T 1992-09-29 1995-11-22 Process for the preparation of 2,3,5(6) trialkyl pyrazines. GR3018154T3 (en)

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
GR3018154T3 true GR3018154T3 (en) 1996-02-29

Family

ID=25494039

Family Applications (1)

Application Number Title Priority Date Filing Date
GR950403272T GR3018154T3 (en) 1992-09-29 1995-11-22 Process for the preparation of 2,3,5(6) trialkyl pyrazines.

Country Status (9)

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

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
ATE190235T1 (de) * 1995-12-14 2000-03-15 Nestle Sa Vorrichtung und verfahren zur gleichzeitigen destillierung und extraktion
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
US8972869B1 (en) 2009-09-30 2015-03-03 Saba Software, Inc. Method and system for managing a virtual meeting
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
DE69300733T2 (de) 1996-04-04
EP0590296A1 (en) 1994-04-06
US5304648A (en) 1994-04-19
DE69300733D1 (de) 1995-12-07
ATE129704T1 (de) 1995-11-15
CA2105937C (en) 2004-04-06
JPH06192237A (ja) 1994-07-12
ES2079931T3 (es) 1996-01-16
JP3253192B2 (ja) 2002-02-04
CA2105937A1 (en) 1994-03-30
EP0590296B1 (en) 1995-11-02
DK0590296T3 (da) 1996-03-04

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