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 catalystInfo
- 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
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)
- Plural Heterocyclic Compounds (AREA)
- Cephalosporin Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Detergent Compositions (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
- Oxygen, Ozone, And Oxides In General (AREA)
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 (no) |
EP (1) | EP0201934B1 (no) |
JP (1) | JPS625971A (no) |
KR (1) | KR930008236B1 (no) |
CN (1) | CN1003645B (no) |
AT (1) | ATE70269T1 (no) |
AU (1) | AU577191B2 (no) |
CA (1) | CA1276933C (no) |
CS (1) | CS253600B2 (no) |
DE (1) | DE3682816D1 (no) |
DK (1) | DK165832C (no) |
ES (1) | ES8706131A1 (no) |
FI (1) | FI90342C (no) |
GR (1) | GR861268B (no) |
HU (1) | HU196062B (no) |
IE (1) | IE59622B1 (no) |
IL (1) | IL78818A (no) |
IT (1) | IT1201417B (no) |
NO (1) | NO174047C (no) |
NZ (1) | NZ216171A (no) |
PH (1) | PH23032A (no) |
PT (1) | PT82590B (no) |
RU (1) | RU2009135C1 (no) |
YU (1) | YU44290B (no) |
ZA (1) | ZA863534B (no) |
Families Citing this family (5)
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)
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 |
US4002750A (en) * | 1972-04-28 | 1977-01-11 | Carlo Erba S.P.A. | Pyrazine 4-oxide derivatives and process for their preparation |
GB1361967A (en) * | 1972-04-28 | 1974-07-30 | Erba Carlo Spa | 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 |
-
1985
- 1985-05-17 IT IT20780/85A patent/IT1201417B/it active
-
1986
- 1986-05-12 DK DK218786A patent/DK165832C/da not_active IP Right Cessation
- 1986-05-13 CN CN86103304.3A patent/CN1003645B/zh not_active Expired
- 1986-05-13 CS CS863450A patent/CS253600B2/cs not_active IP Right Cessation
- 1986-05-13 JP JP61107821A patent/JPS625971A/ja active Granted
- 1986-05-13 RU SU864027500A patent/RU2009135C1/ru not_active IP Right Cessation
- 1986-05-13 CA CA000508998A patent/CA1276933C/en not_active Expired - Fee Related
- 1986-05-13 ZA ZA863534A patent/ZA863534B/xx unknown
- 1986-05-14 NZ NZ216171A patent/NZ216171A/xx unknown
- 1986-05-14 AU AU57441/86A patent/AU577191B2/en not_active Ceased
- 1986-05-14 YU YU795/86A patent/YU44290B/xx unknown
- 1986-05-14 PT PT82590A patent/PT82590B/pt unknown
- 1986-05-15 GR GR861268A patent/GR861268B/el unknown
- 1986-05-15 HU HU862057A patent/HU196062B/hu not_active IP Right Cessation
- 1986-05-16 NO NO861973A patent/NO174047C/no unknown
- 1986-05-16 DE DE8686106721T patent/DE3682816D1/de not_active Expired - Fee Related
- 1986-05-16 PH PH33781A patent/PH23032A/en unknown
- 1986-05-16 IE IE130886A patent/IE59622B1/en not_active IP Right Cessation
- 1986-05-16 AT AT86106721T patent/ATE70269T1/de not_active IP Right Cessation
- 1986-05-16 EP EP86106721A patent/EP0201934B1/en not_active Expired - Lifetime
- 1986-05-16 ES ES554997A patent/ES8706131A1/es not_active Expired
- 1986-05-16 IL IL78818A patent/IL78818A/xx not_active IP Right Cessation
- 1986-05-17 KR KR1019860003849A patent/KR930008236B1/ko not_active IP Right Cessation
- 1986-05-27 FI FI862234A patent/FI90342C/fi not_active IP Right Cessation
-
1988
- 1988-02-05 US US07/152,471 patent/US4866178A/en not_active Expired - Lifetime
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
KB | Patent renewed | ||
KB | Patent renewed | ||
HP | Change in proprietorship | ||
KB | Patent renewed | ||
EXP | Patent expired |