DE2140649C3 - Verfahren zur Herstellung von Tetraalkylpyrazinen - Google Patents

Verfahren zur Herstellung von Tetraalkylpyrazinen

Info

Publication number
DE2140649C3
DE2140649C3 DE2140649A DE2140649A DE2140649C3 DE 2140649 C3 DE2140649 C3 DE 2140649C3 DE 2140649 A DE2140649 A DE 2140649A DE 2140649 A DE2140649 A DE 2140649A DE 2140649 C3 DE2140649 C3 DE 2140649C3
Authority
DE
Germany
Prior art keywords
catalyst
ammonia
butanolamine
weight
copper
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
Application number
DE2140649A
Other languages
German (de)
English (en)
Other versions
DE2140649A1 (de
DE2140649B2 (de
Inventor
Josef Dipl.-Chem. Dr. Ewers
Heinz-Werner Dipl.-Chem. Dr. Voges
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.)
Huels AG
Original Assignee
Chemische Werke Huels AG
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 Chemische Werke Huels AG filed Critical Chemische Werke Huels AG
Priority to DE2140649A priority Critical patent/DE2140649C3/de
Priority to BE787367A priority patent/BE787367A/xx
Priority to CH1182472A priority patent/CH572045A5/xx
Priority to JP47079570A priority patent/JPS4828478A/ja
Priority to US280015A priority patent/US3925378A/en
Priority to FR7229135A priority patent/FR2150092A5/fr
Priority to NL7211045A priority patent/NL7211045A/xx
Priority to GB3763772A priority patent/GB1382468A/en
Publication of DE2140649A1 publication Critical patent/DE2140649A1/de
Publication of DE2140649B2 publication Critical patent/DE2140649B2/de
Application granted granted Critical
Publication of DE2140649C3 publication Critical patent/DE2140649C3/de
Expired 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
    • C07D241/46Phenazines

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Catalysts (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
DE2140649A 1971-08-13 1971-08-13 Verfahren zur Herstellung von Tetraalkylpyrazinen Expired DE2140649C3 (de)

Priority Applications (8)

Application Number Priority Date Filing Date Title
DE2140649A DE2140649C3 (de) 1971-08-13 1971-08-13 Verfahren zur Herstellung von Tetraalkylpyrazinen
BE787367A BE787367A (fr) 1971-08-13 1972-08-09 Procede de preparation de tetraalkylpyrazines et produits obtenus
JP47079570A JPS4828478A (cg-RX-API-DMAC10.html) 1971-08-13 1972-08-10
CH1182472A CH572045A5 (cg-RX-API-DMAC10.html) 1971-08-13 1972-08-10
US280015A US3925378A (en) 1971-08-13 1972-08-11 Tetraalkyl pyrazines from alkanolamines by copper-chromite catalysis
FR7229135A FR2150092A5 (cg-RX-API-DMAC10.html) 1971-08-13 1972-08-11
NL7211045A NL7211045A (cg-RX-API-DMAC10.html) 1971-08-13 1972-08-11
GB3763772A GB1382468A (en) 1971-08-13 1972-08-11 Process for making tetraalkylpyrazines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2140649A DE2140649C3 (de) 1971-08-13 1971-08-13 Verfahren zur Herstellung von Tetraalkylpyrazinen

Publications (3)

Publication Number Publication Date
DE2140649A1 DE2140649A1 (de) 1973-02-22
DE2140649B2 DE2140649B2 (de) 1980-06-04
DE2140649C3 true DE2140649C3 (de) 1981-02-19

Family

ID=5816696

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2140649A Expired DE2140649C3 (de) 1971-08-13 1971-08-13 Verfahren zur Herstellung von Tetraalkylpyrazinen

Country Status (8)

Country Link
US (1) US3925378A (cg-RX-API-DMAC10.html)
JP (1) JPS4828478A (cg-RX-API-DMAC10.html)
BE (1) BE787367A (cg-RX-API-DMAC10.html)
CH (1) CH572045A5 (cg-RX-API-DMAC10.html)
DE (1) DE2140649C3 (cg-RX-API-DMAC10.html)
FR (1) FR2150092A5 (cg-RX-API-DMAC10.html)
GB (1) GB1382468A (cg-RX-API-DMAC10.html)
NL (1) NL7211045A (cg-RX-API-DMAC10.html)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4064124A (en) * 1974-05-25 1977-12-20 Basf Aktiengesellschaft Manufacture of pyrazines
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
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

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2813869A (en) * 1957-03-29 1957-11-19 Wyandotte Chemicals Corp Vapor phase synthesis of carbon-substituted pyrazines and piperazines

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Nichts ermittelt *

Also Published As

Publication number Publication date
US3925378A (en) 1975-12-09
GB1382468A (en) 1975-01-29
BE787367A (fr) 1972-12-01
CH572045A5 (cg-RX-API-DMAC10.html) 1976-01-30
JPS4828478A (cg-RX-API-DMAC10.html) 1973-04-14
DE2140649A1 (de) 1973-02-22
USB280015I5 (cg-RX-API-DMAC10.html) 1975-01-28
DE2140649B2 (de) 1980-06-04
FR2150092A5 (cg-RX-API-DMAC10.html) 1973-03-30
NL7211045A (cg-RX-API-DMAC10.html) 1973-02-15

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Legal Events

Date Code Title Description
OD Request for examination
OGA New person/name/address of the applicant
C3 Grant after two publication steps (3rd publication)
8339 Ceased/non-payment of the annual fee