CS228946B2 - Method of preparing pyrazine derivatives - Google Patents
Method of preparing pyrazine derivatives Download PDFInfo
- Publication number
- CS228946B2 CS228946B2 CS831606A CS160683A CS228946B2 CS 228946 B2 CS228946 B2 CS 228946B2 CS 831606 A CS831606 A CS 831606A CS 160683 A CS160683 A CS 160683A CS 228946 B2 CS228946 B2 CS 228946B2
- Authority
- CS
- Czechoslovakia
- Prior art keywords
- formula
- acid
- compound
- process according
- solvent
- 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
- C07D241/12—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
- 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
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Plural Heterocyclic Compounds (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
- Processing Of Color Television Signals (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
- Saccharide Compounds (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB8206772 | 1982-03-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CS228946B2 true CS228946B2 (en) | 1984-05-14 |
Family
ID=10528865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS831606A CS228946B2 (en) | 1982-03-08 | 1983-03-08 | Method of preparing pyrazine derivatives |
Country Status (16)
| Country | Link |
|---|---|
| US (1) | US4511718A (fi) |
| EP (1) | EP0088395B1 (fi) |
| JP (1) | JPS58162580A (fi) |
| AT (1) | ATE20742T1 (fi) |
| AU (1) | AU548934B2 (fi) |
| CA (1) | CA1205075A (fi) |
| CS (1) | CS228946B2 (fi) |
| DE (2) | DE3364467D1 (fi) |
| DK (1) | DK160425C (fi) |
| FI (1) | FI74956C (fi) |
| GR (1) | GR78461B (fi) |
| HU (1) | HU191203B (fi) |
| IE (1) | IE54200B1 (fi) |
| IL (1) | IL68036A (fi) |
| SU (1) | SU1213986A3 (fi) |
| ZA (1) | ZA831482B (fi) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH025383A (ja) * | 1988-06-24 | 1990-01-10 | Yazaki Corp | コネクタ端子検出具 |
| US6994597B2 (en) | 2003-10-23 | 2006-02-07 | Japan Aviation Electronics Industry, Limited | Connector enabling secure retention of contacts relative to insulator |
| JP4613501B2 (ja) * | 2004-03-17 | 2011-01-19 | 味の素株式会社 | ５−保護アミノピリミジン化合物の製造方法 |
| CN110527656B (zh) * | 2019-09-04 | 2021-07-20 | 江南大学 | 高效合成5-甲基吡嗪-2-羧酸的工程菌及其构建方法及应用 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2520088A (en) * | 1948-05-28 | 1950-08-22 | Lilly Co Eli | Process of preparing pyrazines |
| GB1361967A (en) * | 1972-04-28 | 1974-07-30 | Erba Carlo Spa | Pyrazine 4-oxide derivatives and process for their preparation |
-
1983
- 1983-03-03 CA CA000422766A patent/CA1205075A/en not_active Expired
- 1983-03-03 US US06/471,691 patent/US4511718A/en not_active Expired - Fee Related
- 1983-03-03 IL IL68036A patent/IL68036A/xx unknown
- 1983-03-04 EP EP83102138A patent/EP0088395B1/en not_active Expired
- 1983-03-04 SU SU833560205A patent/SU1213986A3/ru active
- 1983-03-04 ZA ZA831482A patent/ZA831482B/xx unknown
- 1983-03-04 DE DE8383102138T patent/DE3364467D1/de not_active Expired
- 1983-03-04 AT AT83102138T patent/ATE20742T1/de not_active IP Right Cessation
- 1983-03-04 JP JP58034696A patent/JPS58162580A/ja active Granted
- 1983-03-04 GR GR70690A patent/GR78461B/el unknown
- 1983-03-04 DE DE198383102138T patent/DE88395T1/de active Pending
- 1983-03-04 FI FI830742A patent/FI74956C/fi not_active IP Right Cessation
- 1983-03-04 AU AU12075/83A patent/AU548934B2/en not_active Ceased
- 1983-03-07 DK DK111983A patent/DK160425C/da not_active IP Right Cessation
- 1983-03-07 HU HU83782A patent/HU191203B/hu not_active IP Right Cessation
- 1983-03-07 IE IE492/83A patent/IE54200B1/en not_active IP Right Cessation
- 1983-03-08 CS CS831606A patent/CS228946B2/cs unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FI830742A0 (fi) | 1983-03-04 |
| CA1205075A (en) | 1986-05-27 |
| SU1213986A3 (ru) | 1986-02-23 |
| IE830492L (en) | 1983-09-08 |
| HU191203B (en) | 1987-01-28 |
| DE88395T1 (de) | 1984-02-02 |
| DE3364467D1 (en) | 1986-08-21 |
| JPS58162580A (ja) | 1983-09-27 |
| IE54200B1 (en) | 1989-07-19 |
| FI830742L (fi) | 1983-09-09 |
| IL68036A0 (en) | 1983-06-15 |
| EP0088395A1 (en) | 1983-09-14 |
| US4511718A (en) | 1985-04-16 |
| DK160425B (da) | 1991-03-11 |
| DK111983D0 (da) | 1983-03-07 |
| ATE20742T1 (de) | 1986-08-15 |
| EP0088395B1 (en) | 1986-07-16 |
| AU548934B2 (en) | 1986-01-09 |
| ZA831482B (en) | 1983-11-30 |
| AU1207583A (en) | 1983-09-15 |
| FI74956B (fi) | 1987-12-31 |
| JPS6311351B2 (fi) | 1988-03-14 |
| GR78461B (fi) | 1984-09-27 |
| DK111983A (da) | 1983-09-09 |
| DK160425C (da) | 1991-08-19 |
| IL68036A (en) | 1986-08-31 |
| FI74956C (fi) | 1988-04-11 |
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