DE3219407A1 - Verfahren zur herstellung von pyrazinderivaten - Google Patents
Verfahren zur herstellung von pyrazinderivatenInfo
- Publication number
- DE3219407A1 DE3219407A1 DE19823219407 DE3219407A DE3219407A1 DE 3219407 A1 DE3219407 A1 DE 3219407A1 DE 19823219407 DE19823219407 DE 19823219407 DE 3219407 A DE3219407 A DE 3219407A DE 3219407 A1 DE3219407 A1 DE 3219407A1
- Authority
- DE
- Germany
- Prior art keywords
- acid
- formula
- group
- compound
- general formula
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims description 8
- 238000002360 preparation method Methods 0.000 title claims description 5
- 150000003216 pyrazines Chemical class 0.000 title description 3
- 239000002253 acid Substances 0.000 claims description 11
- 150000001875 compounds Chemical class 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 8
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 6
- 125000004432 carbon atom Chemical group C* 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 5
- 239000002798 polar solvent Substances 0.000 claims description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 4
- 125000003545 alkoxy group Chemical group 0.000 claims description 4
- 125000000217 alkyl group Chemical group 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 4
- LEQAOMBKQFMDFZ-UHFFFAOYSA-N glyoxal Chemical compound O=CC=O LEQAOMBKQFMDFZ-UHFFFAOYSA-N 0.000 claims description 4
- 229910052739 hydrogen Inorganic materials 0.000 claims description 4
- 239000001257 hydrogen Substances 0.000 claims description 4
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 3
- 229940015043 glyoxal Drugs 0.000 claims description 2
- 230000003647 oxidation Effects 0.000 claims description 2
- 238000007254 oxidation reaction Methods 0.000 claims description 2
- ITMCEJHCFYSIIV-UHFFFAOYSA-N triflic acid Chemical compound OS(=O)(=O)C(F)(F)F ITMCEJHCFYSIIV-UHFFFAOYSA-N 0.000 claims description 2
- AFVFQIVMOAPDHO-UHFFFAOYSA-N Methanesulfonic acid Chemical compound CS(O)(=O)=O AFVFQIVMOAPDHO-UHFFFAOYSA-N 0.000 claims 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims 2
- OTVZGAXESBAAQQ-UHFFFAOYSA-N pyrazine-2,3-dicarbonitrile Chemical compound N#CC1=NC=CN=C1C#N OTVZGAXESBAAQQ-UHFFFAOYSA-N 0.000 claims 2
- DPZSNGJNFHWQDC-ARJAWSKDSA-N (z)-2,3-diaminobut-2-enedinitrile Chemical compound N#CC(/N)=C(/N)C#N DPZSNGJNFHWQDC-ARJAWSKDSA-N 0.000 claims 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims 1
- 238000009833 condensation Methods 0.000 claims 1
- 230000005494 condensation Effects 0.000 claims 1
- 229940098779 methanesulfonic acid Drugs 0.000 claims 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 5
- KYQCOXFCLRTKLS-UHFFFAOYSA-N Pyrazine Chemical compound C1=CN=CC=N1 KYQCOXFCLRTKLS-UHFFFAOYSA-N 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 2
- SLVIJGCNMLGLMH-UHFFFAOYSA-N 2h-pyran-2,3-dicarbonitrile Chemical compound N#CC1OC=CC=C1C#N SLVIJGCNMLGLMH-UHFFFAOYSA-N 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- AIJULSRZWUXGPQ-UHFFFAOYSA-N Methylglyoxal Chemical compound CC(=O)C=O AIJULSRZWUXGPQ-UHFFFAOYSA-N 0.000 description 2
- PCNDJXKNXGMECE-UHFFFAOYSA-N Phenazine Natural products C1=CC=CC2=NC3=CC=CC=C3N=C21 PCNDJXKNXGMECE-UHFFFAOYSA-N 0.000 description 2
- 229960000583 acetic acid Drugs 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 239000011541 reaction mixture Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- DJQOOSBJCLSSEY-UHFFFAOYSA-N Acipimox Chemical compound CC1=CN=C(C(O)=O)C=[N+]1[O-] DJQOOSBJCLSSEY-UHFFFAOYSA-N 0.000 description 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical class [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 239000008346 aqueous phase Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 238000006482 condensation reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- RIFGWPKJUGCATF-UHFFFAOYSA-N ethyl chloroformate Chemical compound CCOC(Cl)=O RIFGWPKJUGCATF-UHFFFAOYSA-N 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000012362 glacial acetic acid Substances 0.000 description 1
- 230000000055 hyoplipidemic effect Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 125000000896 monocarboxylic acid group Chemical group 0.000 description 1
- JMANVNJQNLATNU-UHFFFAOYSA-N oxalonitrile Chemical compound N#CC#N JMANVNJQNLATNU-UHFFFAOYSA-N 0.000 description 1
- NIPZZXUFJPQHNH-UHFFFAOYSA-N pyrazine-2-carboxylic acid Chemical compound OC(=O)C1=CN=CC=N1 NIPZZXUFJPQHNH-UHFFFAOYSA-N 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000005406 washing Methods 0.000 description 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
- C07D241/14—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)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Saccharide Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB8116263 | 1981-05-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3219407A1 true DE3219407A1 (de) | 1983-01-05 |
| DE3219407C2 DE3219407C2 (enrdf_load_stackoverflow) | 1990-09-06 |
Family
ID=10522093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19823219407 Granted DE3219407A1 (de) | 1981-05-28 | 1982-05-24 | Verfahren zur herstellung von pyrazinderivaten |
Country Status (20)
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 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1361967A (en) * | 1972-04-28 | 1974-07-30 | Erba Carlo Spa | Pyrazine 4-oxide derivatives and process for their preparation |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS565742B2 (enrdf_load_stackoverflow) * | 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 |
| JPS5488280A (en) * | 1977-12-20 | 1979-07-13 | Nitsupou Kagaku Kk | Manufacture of dicyanopyradines |
| JPS5488281A (en) * | 1977-12-20 | 1979-07-13 | Nitsupou Kagaku Kk | Manufacture of pyrazine monocarboxylic acid |
-
1982
- 1982-05-21 NL NL8202105A patent/NL8202105A/nl active Search and Examination
- 1982-05-24 DE DE19823219407 patent/DE3219407A1/de active Granted
- 1982-05-24 IL IL65864A patent/IL65864A/xx not_active IP Right Cessation
- 1982-05-24 AT AT0203682A patent/AT387217B/de not_active IP Right Cessation
- 1982-05-24 FI FI821832A patent/FI73669C/fi not_active IP Right Cessation
- 1982-05-25 CS CS823842A patent/CS226741B2/cs unknown
- 1982-05-25 FR FR8209038A patent/FR2506768B1/fr not_active Expired
- 1982-05-25 GR GR68246A patent/GR76417B/el unknown
- 1982-05-25 CA CA000403636A patent/CA1237724A/en not_active Expired
- 1982-05-25 AU AU84126/82A patent/AU8412682A/en not_active Abandoned
- 1982-05-26 SE SE8203273A patent/SE462971B/sv not_active IP Right Cessation
- 1982-05-26 JP JP57088153A patent/JPS57200368A/ja active Granted
- 1982-05-26 ZA ZA823660A patent/ZA823660B/xx unknown
- 1982-05-26 IE IE1261/82A patent/IE52992B1/en not_active IP Right Cessation
- 1982-05-27 YU YU1131/82A patent/YU42766B/xx unknown
- 1982-05-27 DK DK239482A patent/DK155325C/da not_active IP Right Cessation
- 1982-05-27 HU HU821712A patent/HU187716B/hu unknown
- 1982-05-27 BE BE0/208187A patent/BE893317A/fr not_active IP Right Cessation
- 1982-05-27 CH CH3285/82A patent/CH649763A5/de not_active IP Right Cessation
- 1982-05-27 IT IT8221517A patent/IT1210478B/it active Protection Beyond IP Right Term
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1361967A (en) * | 1972-04-28 | 1974-07-30 | Erba Carlo Spa | Pyrazine 4-oxide derivatives and process for their preparation |
Non-Patent Citations (4)
| Title |
|---|
| C.A. 83, Nr. 193380 u * |
| C.A. 85, Nr. 78165 g * |
| Chem. Ber. 108, 1975, S.875-886 * |
| J. Chem. Soc.. 1937, S.911-919 * |
Also Published As
| Publication number | Publication date |
|---|---|
| AU8412682A (en) | 1982-12-02 |
| BE893317A (fr) | 1982-11-29 |
| SE8203273L (sv) | 1982-11-29 |
| FI821832A0 (fi) | 1982-05-24 |
| IT1210478B (it) | 1989-09-14 |
| FI73669B (fi) | 1987-07-31 |
| NL8202105A (nl) | 1982-12-16 |
| JPH0456034B2 (enrdf_load_stackoverflow) | 1992-09-07 |
| ATA203682A (de) | 1988-05-15 |
| CA1237724A (en) | 1988-06-07 |
| IT8221517A0 (it) | 1982-05-27 |
| DK155325C (da) | 1989-09-18 |
| SE462971B (sv) | 1990-09-24 |
| CS226741B2 (en) | 1984-04-16 |
| HU187716B (en) | 1986-02-28 |
| IL65864A0 (en) | 1982-08-31 |
| YU113182A (en) | 1985-03-20 |
| AT387217B (de) | 1988-12-27 |
| FI73669C (fi) | 1987-11-09 |
| IE821261L (en) | 1982-11-28 |
| CH649763A5 (de) | 1985-06-14 |
| FR2506768B1 (fr) | 1985-06-21 |
| IE52992B1 (en) | 1988-04-27 |
| FR2506768A1 (fr) | 1982-12-03 |
| YU42766B (en) | 1988-12-31 |
| DK239482A (da) | 1982-11-29 |
| GR76417B (enrdf_load_stackoverflow) | 1984-08-10 |
| DK155325B (da) | 1989-03-28 |
| IL65864A (en) | 1985-08-30 |
| DE3219407C2 (enrdf_load_stackoverflow) | 1990-09-06 |
| ZA823660B (en) | 1983-03-30 |
| JPS57200368A (en) | 1982-12-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| 8127 | New person/name/address of the applicant |
Owner name: FARMITALIA CARLO ERBA S.R.L., MAILAND/MILANO, IT |
|
| 8128 | New person/name/address of the agent |
Representative=s name: EITLE, W., DIPL.-ING. HOFFMANN, K., DIPL.-ING. DR. |
|
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition |