CA1237724A - Preparation of pyrazine derivatives - Google Patents
Preparation of pyrazine derivativesInfo
- Publication number
- CA1237724A CA1237724A CA000403636A CA403636A CA1237724A CA 1237724 A CA1237724 A CA 1237724A CA 000403636 A CA000403636 A CA 000403636A CA 403636 A CA403636 A CA 403636A CA 1237724 A CA1237724 A CA 1237724A
- Authority
- CA
- Canada
- Prior art keywords
- formula
- group
- acid
- compound
- above defined
- 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
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
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Plural Heterocyclic Compounds (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
- Saccharide Compounds (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB81.16263 | 1981-05-28 | ||
| GB8116263 | 1981-05-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1237724A true CA1237724A (en) | 1988-06-07 |
Family
ID=10522093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000403636A Expired CA1237724A (en) | 1981-05-28 | 1982-05-25 | Preparation of pyrazine derivatives |
Country Status (20)
| Country | Link |
|---|---|
| JP (1) | JPS57200368A (de) |
| AT (1) | AT387217B (de) |
| AU (1) | AU8412682A (de) |
| BE (1) | BE893317A (de) |
| CA (1) | CA1237724A (de) |
| CH (1) | CH649763A5 (de) |
| CS (1) | CS226741B2 (de) |
| DE (1) | DE3219407A1 (de) |
| DK (1) | DK155325C (de) |
| FI (1) | FI73669C (de) |
| FR (1) | FR2506768B1 (de) |
| GR (1) | GR76417B (de) |
| HU (1) | HU187716B (de) |
| IE (1) | IE52992B1 (de) |
| IL (1) | IL65864A (de) |
| IT (1) | IT1210478B (de) |
| NL (1) | NL8202105A (de) |
| SE (1) | SE462971B (de) |
| YU (1) | YU42766B (de) |
| ZA (1) | ZA823660B (de) |
Families Citing this family (1)
| 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 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU470007B2 (en) * | 1972-04-28 | 1976-02-26 | Farmitalia Carlo Erba S.R.L. | Pyrazine 4-oxide derivatives and process for their preparation |
| JPS565742B2 (de) * | 1973-09-29 | 1981-02-06 | ||
| JPS5134175A (en) * | 1974-09-18 | 1976-03-23 | Sagami Chem Res | Pirajinjudotai no seizohoho |
| JPS52153980A (en) * | 1976-06-17 | 1977-12-21 | Nippon Soda Co Ltd | Synthesis of 2,3-dicyanopyrazine |
| JPS5488281A (en) * | 1977-12-20 | 1979-07-13 | Nitsupou Kagaku Kk | Manufacture of pyrazine monocarboxylic acid |
| JPS5488280A (en) * | 1977-12-20 | 1979-07-13 | Nitsupou Kagaku Kk | Manufacture of dicyanopyradines |
-
1982
- 1982-05-21 NL NL8202105A patent/NL8202105A/nl active Search and Examination
- 1982-05-24 FI FI821832A patent/FI73669C/fi not_active IP Right Cessation
- 1982-05-24 IL IL65864A patent/IL65864A/xx not_active IP Right Cessation
- 1982-05-24 DE DE19823219407 patent/DE3219407A1/de active Granted
- 1982-05-24 AT AT0203682A patent/AT387217B/de not_active IP Right Cessation
- 1982-05-25 AU AU84126/82A patent/AU8412682A/en not_active Abandoned
- 1982-05-25 CA CA000403636A patent/CA1237724A/en not_active Expired
- 1982-05-25 FR FR8209038A patent/FR2506768B1/fr not_active Expired
- 1982-05-25 CS CS823842A patent/CS226741B2/cs unknown
- 1982-05-25 GR GR68246A patent/GR76417B/el unknown
- 1982-05-26 IE IE1261/82A patent/IE52992B1/en not_active IP Right Cessation
- 1982-05-26 JP JP57088153A patent/JPS57200368A/ja active Granted
- 1982-05-26 SE SE8203273A patent/SE462971B/sv not_active IP Right Cessation
- 1982-05-26 ZA ZA823660A patent/ZA823660B/xx unknown
- 1982-05-27 YU YU1131/82A patent/YU42766B/xx unknown
- 1982-05-27 BE BE0/208187A patent/BE893317A/fr not_active IP Right Cessation
- 1982-05-27 IT IT8221517A patent/IT1210478B/it active Protection Beyond IP Right Term
- 1982-05-27 DK DK239482A patent/DK155325C/da not_active IP Right Cessation
- 1982-05-27 CH CH3285/82A patent/CH649763A5/de not_active IP Right Cessation
- 1982-05-27 HU HU821712A patent/HU187716B/hu unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FI821832A0 (fi) | 1982-05-24 |
| YU113182A (en) | 1985-03-20 |
| IE821261L (en) | 1982-11-28 |
| JPH0456034B2 (de) | 1992-09-07 |
| IL65864A0 (en) | 1982-08-31 |
| DK155325C (da) | 1989-09-18 |
| IT8221517A0 (it) | 1982-05-27 |
| AT387217B (de) | 1988-12-27 |
| DK239482A (da) | 1982-11-29 |
| ATA203682A (de) | 1988-05-15 |
| DE3219407A1 (de) | 1983-01-05 |
| IL65864A (en) | 1985-08-30 |
| ZA823660B (en) | 1983-03-30 |
| BE893317A (fr) | 1982-11-29 |
| NL8202105A (nl) | 1982-12-16 |
| SE462971B (sv) | 1990-09-24 |
| AU8412682A (en) | 1982-12-02 |
| CS226741B2 (en) | 1984-04-16 |
| FI73669B (fi) | 1987-07-31 |
| YU42766B (en) | 1988-12-31 |
| JPS57200368A (en) | 1982-12-08 |
| FI73669C (fi) | 1987-11-09 |
| FR2506768B1 (fr) | 1985-06-21 |
| IT1210478B (it) | 1989-09-14 |
| DE3219407C2 (de) | 1990-09-06 |
| FR2506768A1 (fr) | 1982-12-03 |
| SE8203273L (sv) | 1982-11-29 |
| HU187716B (en) | 1986-02-28 |
| IE52992B1 (en) | 1988-04-27 |
| DK155325B (da) | 1989-03-28 |
| GR76417B (de) | 1984-08-10 |
| CH649763A5 (de) | 1985-06-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |