GB1499768A - Manufacture of pyrazines - Google Patents
Manufacture of pyrazinesInfo
- Publication number
- GB1499768A GB1499768A GB1977075A GB1977075A GB1499768A GB 1499768 A GB1499768 A GB 1499768A GB 1977075 A GB1977075 A GB 1977075A GB 1977075 A GB1977075 A GB 1977075A GB 1499768 A GB1499768 A GB 1499768A
- Authority
- GB
- United Kingdom
- Prior art keywords
- manufacture
- pyrazines
- nitrooxirane
- ammonia
- dimethyl
- 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
- 238000004519 manufacturing process Methods 0.000 title abstract 3
- 150000003216 pyrazines Chemical class 0.000 title abstract 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract 4
- QMTUIVOFVMSPAE-UHFFFAOYSA-N 2,5-dimethyl-3,6-diphenylpyrazine Chemical compound CC1=NC(C=2C=CC=CC=2)=C(C)N=C1C1=CC=CC=C1 QMTUIVOFVMSPAE-UHFFFAOYSA-N 0.000 abstract 2
- RGCBEUKPJDJRRW-UHFFFAOYSA-N 2-nitrooxirane Chemical group [O-][N+](=O)C1CO1 RGCBEUKPJDJRRW-UHFFFAOYSA-N 0.000 abstract 2
- KYQCOXFCLRTKLS-UHFFFAOYSA-N Pyrazine Chemical compound C1=CN=CC=N1 KYQCOXFCLRTKLS-UHFFFAOYSA-N 0.000 abstract 2
- 229910021529 ammonia Inorganic materials 0.000 abstract 2
- ZPKCJXWKXAHCSX-UHFFFAOYSA-N 2,3,5,6-tetraphenylpyrazine Chemical compound C1=CC=CC=C1C1=NC(C=2C=CC=CC=2)=C(C=2C=CC=CC=2)N=C1C1=CC=CC=C1 ZPKCJXWKXAHCSX-UHFFFAOYSA-N 0.000 abstract 1
- PCNDJXKNXGMECE-UHFFFAOYSA-N Phenazine Natural products C1=CC=CC2=NC3=CC=CC=C3N=C21 PCNDJXKNXGMECE-UHFFFAOYSA-N 0.000 abstract 1
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 239000011541 reaction mixture Substances 0.000 abstract 1
- 239000002904 solvent Substances 0.000 abstract 1
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)
- Nitrogen Condensed Heterocyclic Rings (AREA)
- Plural Heterocyclic Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (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 |
|---|---|
| GB1499768A true GB1499768A (en) | 1978-02-01 |
Family
ID=5916449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1977075A Expired GB1499768A (en) | 1974-05-25 | 1975-05-12 | Manufacture of pyrazines |
Country Status (9)
| Country | Link |
|---|---|
| JP (1) | JPS511483A (enExample) |
| BE (1) | BE829444A (enExample) |
| CA (1) | CA1041510A (enExample) |
| CH (1) | CH593268A5 (enExample) |
| DE (1) | DE2425355A1 (enExample) |
| FR (1) | FR2272086B3 (enExample) |
| GB (1) | GB1499768A (enExample) |
| IT (1) | IT1037680B (enExample) |
| NL (1) | NL7506038A (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6995161B2 (en) | 2000-02-16 | 2006-02-07 | Neurogen Corporation | Substituted arylpyrazines |
-
1974
- 1974-05-25 DE DE19742425355 patent/DE2425355A1/de not_active Withdrawn
-
1975
- 1975-04-28 CA CA225,859A patent/CA1041510A/en not_active Expired
- 1975-04-28 IT IT2279575A patent/IT1037680B/it active
- 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
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6995161B2 (en) | 2000-02-16 | 2006-02-07 | Neurogen Corporation | Substituted arylpyrazines |
| US7202250B2 (en) | 2000-02-16 | 2007-04-10 | Neurogen Corporation | Substituted arylpyrazines |
Also Published As
| Publication number | Publication date |
|---|---|
| IT1037680B (it) | 1979-11-20 |
| CH593268A5 (enExample) | 1977-11-30 |
| DE2425355A1 (de) | 1975-12-04 |
| JPS511483A (ja) | 1976-01-08 |
| FR2272086B3 (enExample) | 1978-12-01 |
| CA1041510A (en) | 1978-10-31 |
| BE829444A (fr) | 1975-11-24 |
| FR2272086A1 (enExample) | 1975-12-19 |
| NL7506038A (nl) | 1975-11-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |