IT1037680B - Processo per la preparzione di pirazine - Google Patents
Processo per la preparzione di pirazineInfo
- Publication number
- IT1037680B IT1037680B IT2279575A IT2279575A IT1037680B IT 1037680 B IT1037680 B IT 1037680B IT 2279575 A IT2279575 A IT 2279575A IT 2279575 A IT2279575 A IT 2279575A IT 1037680 B IT1037680 B IT 1037680B
- Authority
- IT
- Italy
- Prior art keywords
- pirazine
- preparation
- 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
- C07D303/00—Compounds containing three-membered rings having one oxygen atom as the only ring hetero atom
- C07D303/02—Compounds containing oxirane rings
- C07D303/48—Compounds containing oxirane rings with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, directly attached to ring carbon atoms, e.g. ester or nitrile radicals
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Plural Heterocyclic Compounds (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19742425355 DE2425355A1 (de) | 1974-05-25 | 1974-05-25 | Verfahren zur herstellung von pyrazinen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT1037680B true IT1037680B (it) | 1979-11-20 |
Family
ID=5916449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT2279575A IT1037680B (it) | 1974-05-25 | 1975-04-28 | Processo per la preparzione di pirazine |
Country Status (9)
| Country | Link |
|---|---|
| JP (1) | JPS511483A (instruction) |
| BE (1) | BE829444A (instruction) |
| CA (1) | CA1041510A (instruction) |
| CH (1) | CH593268A5 (instruction) |
| DE (1) | DE2425355A1 (instruction) |
| FR (1) | FR2272086B3 (instruction) |
| GB (1) | GB1499768A (instruction) |
| IT (1) | IT1037680B (instruction) |
| NL (1) | NL7506038A (instruction) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1255740B1 (en) | 2000-02-16 | 2005-10-19 | Neurogen Corporation | Substituted arylpyrazines |
-
1974
- 1974-05-25 DE DE19742425355 patent/DE2425355A1/de not_active Withdrawn
-
1975
- 1975-04-28 IT IT2279575A patent/IT1037680B/it active
- 1975-04-28 CA CA225,859A patent/CA1041510A/en not_active Expired
- 1975-05-12 GB GB1977075A patent/GB1499768A/en not_active Expired
- 1975-05-21 CH CH651275A patent/CH593268A5/xx not_active IP Right Cessation
- 1975-05-22 NL NL7506038A patent/NL7506038A/xx unknown
- 1975-05-23 BE BE156672A patent/BE829444A/xx unknown
- 1975-05-23 FR FR7516168A patent/FR2272086B3/fr not_active Expired
- 1975-05-26 JP JP6203675A patent/JPS511483A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| NL7506038A (nl) | 1975-11-27 |
| FR2272086A1 (instruction) | 1975-12-19 |
| GB1499768A (en) | 1978-02-01 |
| JPS511483A (ja) | 1976-01-08 |
| CA1041510A (en) | 1978-10-31 |
| BE829444A (fr) | 1975-11-24 |
| CH593268A5 (instruction) | 1977-11-30 |
| DE2425355A1 (de) | 1975-12-04 |
| FR2272086B3 (instruction) | 1978-12-01 |
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