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IL78818A - Preparation of 2-carboxypyrazine-4-oxides from 2-carboxy-pyrazines by oxidation with h2o2 in the presence of a tungsten or molybdenum catalyst - Google Patents

Preparation of 2-carboxypyrazine-4-oxides from 2-carboxy-pyrazines by oxidation with h2o2 in the presence of a tungsten or molybdenum catalyst

Info

Publication number
IL78818A
IL78818A IL78818A IL7881886A IL78818A IL 78818 A IL78818 A IL 78818A IL 78818 A IL78818 A IL 78818A IL 7881886 A IL7881886 A IL 7881886A IL 78818 A IL78818 A IL 78818A
Authority
IL
Israel
Prior art keywords
sub
acid
carboxypyrazine
oxides
oxidation
Prior art date
Application number
IL78818A
Other languages
English (en)
Other versions
IL78818A0 (en
Original Assignee
Montedison Spa
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 Montedison Spa filed Critical Montedison Spa
Publication of IL78818A0 publication Critical patent/IL78818A0/xx
Publication of IL78818A publication Critical patent/IL78818A/xx

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
    • C07D241/14—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 hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D241/24—Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals

Landscapes

  • Organic Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Catalysts (AREA)
  • Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
  • Cephalosporin Compounds (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Detergent Compositions (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Oxygen, Ozone, And Oxides In General (AREA)
IL78818A 1985-05-17 1986-05-16 Preparation of 2-carboxypyrazine-4-oxides from 2-carboxy-pyrazines by oxidation with h2o2 in the presence of a tungsten or molybdenum catalyst IL78818A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT20780/85A IT1201417B (it) 1985-05-17 1985-05-17 Procedimento per la preparazione di 2-carbossipirazine 4 ossido

Publications (2)

Publication Number Publication Date
IL78818A0 IL78818A0 (en) 1986-09-30
IL78818A true IL78818A (en) 1990-07-12

Family

ID=11171959

Family Applications (1)

Application Number Title Priority Date Filing Date
IL78818A IL78818A (en) 1985-05-17 1986-05-16 Preparation of 2-carboxypyrazine-4-oxides from 2-carboxy-pyrazines by oxidation with h2o2 in the presence of a tungsten or molybdenum catalyst

Country Status (25)

Country Link
US (1) US4866178A (da)
EP (1) EP0201934B1 (da)
JP (1) JPS625971A (da)
KR (1) KR930008236B1 (da)
CN (1) CN1003645B (da)
AT (1) ATE70269T1 (da)
AU (1) AU577191B2 (da)
CA (1) CA1276933C (da)
CS (1) CS253600B2 (da)
DE (1) DE3682816D1 (da)
DK (1) DK165832C (da)
ES (1) ES8706131A1 (da)
FI (1) FI90342C (da)
GR (1) GR861268B (da)
HU (1) HU196062B (da)
IE (1) IE59622B1 (da)
IL (1) IL78818A (da)
IT (1) IT1201417B (da)
NO (1) NO174047C (da)
NZ (1) NZ216171A (da)
PH (1) PH23032A (da)
PT (1) PT82590B (da)
RU (1) RU2009135C1 (da)
YU (1) YU44290B (da)
ZA (1) ZA863534B (da)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1201417B (it) * 1985-05-17 1989-02-02 Montedison Spa Procedimento per la preparazione di 2-carbossipirazine 4 ossido
US6387654B1 (en) 2000-05-04 2002-05-14 Archer-Daniels-Midland Company Bacterial strains and fermentation processes for the production of 2-keto-l-gulonic acid
US7151178B2 (en) 2004-04-22 2006-12-19 Isp Investments Inc. Method for the preparation of 5-methylpyrazine-2-carboxylic acid-4-oxide and its salts
US7153965B2 (en) 2004-05-18 2006-12-26 Isp Investments Inc. Pharmaceutically acceptable inorganic and organic salts of 5-methylpyrazine-2-carboxylic acid-4-oxide
JP4878652B2 (ja) * 2011-01-24 2012-02-15 トッパン・フォームズ株式会社 非接触型データ送受信カード付き封書及びその作成方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE756934R (fr) * 1969-10-15 1971-03-16 Commissariat Energie Atomique Nouveau procede de polarisation dynamique des noyaux atomiques d'un solvant, notamment d'un solvant hydrogene, et magnetometres pourla mesure de l'intensite des champs magnetiques faibles notamment du champ magnetique terrestre, mettant en oeuvre ce procede
GB1361967A (en) * 1972-04-28 1974-07-30 Erba Carlo Spa Pyrazine 4-oxide derivatives and process for their preparation
US4002750A (en) * 1972-04-28 1977-01-11 Carlo Erba S.P.A. Pyrazine 4-oxide derivatives and process for their preparation
NL8202105A (nl) * 1981-05-28 1982-12-16 Erba Farmitalia Werkwijze voor het bereiden van pyrazinederivaten.
IT1201417B (it) * 1985-05-17 1989-02-02 Montedison Spa Procedimento per la preparazione di 2-carbossipirazine 4 ossido

Also Published As

Publication number Publication date
YU79586A (en) 1988-02-29
US4866178A (en) 1989-09-12
DK218786A (da) 1986-11-18
NO174047C (no) 1994-03-09
EP0201934A2 (en) 1986-11-20
AU577191B2 (en) 1988-09-15
IE59622B1 (en) 1994-03-09
PT82590B (pt) 1988-07-01
FI862234A (fi) 1986-11-18
CS345086A2 (en) 1987-03-12
DK218786D0 (da) 1986-05-12
CS253600B2 (en) 1987-11-12
DK165832B (da) 1993-01-25
HUT43836A (en) 1987-12-28
PH23032A (en) 1989-03-10
IT1201417B (it) 1989-02-02
FI90342B (fi) 1993-10-15
NO861973L (no) 1986-11-18
DE3682816D1 (de) 1992-01-23
EP0201934A3 (en) 1987-11-19
ZA863534B (en) 1986-12-30
CA1276933C (en) 1990-11-27
NZ216171A (en) 1989-11-28
IL78818A0 (en) 1986-09-30
DK165832C (da) 1993-06-21
JPH0513150B2 (da) 1993-02-19
CN86103304A (zh) 1986-11-12
IT8520780A0 (it) 1985-05-17
ES8706131A1 (es) 1987-06-01
FI862234A0 (fi) 1986-05-27
GR861268B (en) 1986-09-12
AU5744186A (en) 1986-11-20
FI90342C (fi) 1994-01-25
KR930008236B1 (ko) 1993-08-27
KR860008987A (ko) 1986-12-19
IE861308L (en) 1986-11-17
ES554997A0 (es) 1987-06-01
NO174047B (no) 1993-11-29
EP0201934B1 (en) 1991-12-11
RU2009135C1 (ru) 1994-03-15
PT82590A (en) 1986-06-01
HU196062B (en) 1988-09-28
YU44290B (en) 1990-04-30
JPS625971A (ja) 1987-01-12
ATE70269T1 (de) 1991-12-15
CN1003645B (zh) 1989-03-22

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