DE2722307A1 - Verfahren zur herstellung von pyrazinen - Google Patents

Verfahren zur herstellung von pyrazinen

Info

Publication number
DE2722307A1
DE2722307A1 DE19772722307 DE2722307A DE2722307A1 DE 2722307 A1 DE2722307 A1 DE 2722307A1 DE 19772722307 DE19772722307 DE 19772722307 DE 2722307 A DE2722307 A DE 2722307A DE 2722307 A1 DE2722307 A1 DE 2722307A1
Authority
DE
Germany
Prior art keywords
catalyst
pyrazines
reaction
zinc
dipl
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.)
Granted
Application number
DE19772722307
Other languages
German (de)
English (en)
Other versions
DE2722307C2 (OSRAM
Inventor
Kanji Sato
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.)
TOKAI ELECTRO CHEMICAL CO
Tokai Denka Kogyo KK
Original Assignee
TOKAI ELECTRO CHEMICAL CO
Tokai Denka Kogyo KK
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 TOKAI ELECTRO CHEMICAL CO, Tokai Denka Kogyo KK filed Critical TOKAI ELECTRO CHEMICAL CO
Publication of DE2722307A1 publication Critical patent/DE2722307A1/de
Application granted granted Critical
Publication of DE2722307C2 publication Critical patent/DE2722307C2/de
Granted legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D241/00Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings
    • C07D241/02Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings not condensed with other rings
    • C07D241/10Heterocyclic 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
    • C07D241/12Heterocyclic 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
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D241/00Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings
    • C07D241/36Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings condensed with carbocyclic rings or ring systems
    • C07D241/38Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings condensed with carbocyclic rings or ring systems with only hydrogen or carbon atoms directly attached to the ring nitrogen atoms
    • C07D241/40Benzopyrazines
    • C07D241/42Benzopyrazines with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to carbon atoms of the hetero ring

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Catalysts (AREA)
DE19772722307 1976-09-20 1977-05-17 Verfahren zur herstellung von pyrazinen Granted DE2722307A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11171776A JPS5337675A (en) 1976-09-20 1976-09-20 Production of pyrazines

Publications (2)

Publication Number Publication Date
DE2722307A1 true DE2722307A1 (de) 1978-03-23
DE2722307C2 DE2722307C2 (OSRAM) 1987-09-03

Family

ID=14568367

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19772722307 Granted DE2722307A1 (de) 1976-09-20 1977-05-17 Verfahren zur herstellung von pyrazinen

Country Status (4)

Country Link
US (1) US4097478A (OSRAM)
JP (1) JPS5337675A (OSRAM)
DE (1) DE2722307A1 (OSRAM)
GB (1) GB1565117A (OSRAM)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1988000189A1 (en) * 1986-07-08 1988-01-14 Bracco Industria Chimica S.P.A. A process for the preparation of nitrogen-containing heterocyclic compounds
US4966970A (en) * 1987-12-31 1990-10-30 Korea Research Institute Of Chemical Technology Process for manufacturing pyrazines
BE1010032A3 (fr) * 1995-08-04 1997-11-04 Koei Chemical Co Procede de production de composes de la pyrazine.

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4788289A (en) * 1986-10-24 1988-11-29 Texaco Inc. Process for preparing pyrazines from hydroxyamines
US5304648A (en) * 1992-09-29 1994-04-19 Nestec S.A. Pyrazine preparation
EP1357193A1 (en) * 2002-04-22 2003-10-29 Societe Des Produits Nestle S.A. Preparation of pyrazines
JP2005320249A (ja) * 2002-05-01 2005-11-17 Banyu Pharmaceut Co Ltd 2−アミノピラジン誘導体の製造方法
JP5271721B2 (ja) * 2008-01-23 2013-08-21 株式会社半導体エネルギー研究所 トリアリールピラジン誘導体の製造方法
CN102977037B (zh) * 2012-11-21 2015-02-11 西安近代化学研究所 吡嗪和乙二胺混合物的分离方法
CN103691443A (zh) * 2013-12-13 2014-04-02 广西大学 一种用于合成2,5-二甲基吡嗪的催化剂及其制备方法
DE202021104269U1 (de) 2021-08-10 2021-08-25 DÖHLER GmbH Formulierung zur Aromatisierung eines Lebensmittelproduktes
DE102022132286A1 (de) 2022-12-06 2024-06-06 DÖHLER GmbH Formulierung zur Aromatisierung eines Lebensmittelproduktes

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3219707A (en) * 1957-11-27 1965-11-23 Wyandotte Chemicals Corp Production of diamines
DE2140649C3 (de) 1971-08-13 1981-02-19 Chemische Werke Huels Ag, 4370 Marl Verfahren zur Herstellung von Tetraalkylpyrazinen
JPS5343512B2 (OSRAM) * 1973-03-27 1978-11-20

Non-Patent Citations (5)

* Cited by examiner, † Cited by third party
Title
Advances in Heterocyclic Chemistry, 14, 1972, S. 112-119 *
C.A. 79, 1973, Nr. 17714q *
C.A. 82, 1975, Nr. 171053s *
Chemical Reviews 40, 1947, S. 318 *
RÖMPP: 1973, S. 1813 rechte Spalte *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1988000189A1 (en) * 1986-07-08 1988-01-14 Bracco Industria Chimica S.P.A. A process for the preparation of nitrogen-containing heterocyclic compounds
US4966970A (en) * 1987-12-31 1990-10-30 Korea Research Institute Of Chemical Technology Process for manufacturing pyrazines
BE1010032A3 (fr) * 1995-08-04 1997-11-04 Koei Chemical Co Procede de production de composes de la pyrazine.
DE19629258B4 (de) * 1995-08-04 2006-05-24 Koei Chemical Co., Ltd. Verfahren zur Herstellung von Pyrazinverbindungen

Also Published As

Publication number Publication date
DE2722307C2 (OSRAM) 1987-09-03
JPS541318B2 (OSRAM) 1979-01-23
GB1565117A (en) 1980-04-16
JPS5337675A (en) 1978-04-06
US4097478A (en) 1978-06-27

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8128 New person/name/address of the agent

Representative=s name: STREHL, P., DIPL.-ING. DIPL.-WIRTSCH.-ING. SCHUEBE

D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee