FR2256916A1 - Sulphachloro-pyrazine prepn. - by chlorination of pyrazine dioxide to 2,6-dichloropyrazine which is then condensed with sulphanilamide - Google Patents
Sulphachloro-pyrazine prepn. - by chlorination of pyrazine dioxide to 2,6-dichloropyrazine which is then condensed with sulphanilamideInfo
- Publication number
- FR2256916A1 FR2256916A1 FR7400100A FR7400100A FR2256916A1 FR 2256916 A1 FR2256916 A1 FR 2256916A1 FR 7400100 A FR7400100 A FR 7400100A FR 7400100 A FR7400100 A FR 7400100A FR 2256916 A1 FR2256916 A1 FR 2256916A1
- Authority
- FR
- France
- Prior art keywords
- pyrazine
- sulphanilamide
- dichloropyrazine
- prepn
- condensed
- 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
- LSEAAPGIZCDEEH-UHFFFAOYSA-N 2,6-dichloropyrazine Chemical compound ClC1=CN=CC(Cl)=N1 LSEAAPGIZCDEEH-UHFFFAOYSA-N 0.000 title abstract 2
- SXTKIFFXFIDYJF-UHFFFAOYSA-N 4-oxidopyrazin-1-ium 1-oxide Chemical compound [O-]N1C=C[N+](=O)C=C1 SXTKIFFXFIDYJF-UHFFFAOYSA-N 0.000 title abstract 2
- FDDDEECHVMSUSB-UHFFFAOYSA-N sulfanilamide Chemical compound NC1=CC=C(S(N)(=O)=O)C=C1 FDDDEECHVMSUSB-UHFFFAOYSA-N 0.000 title abstract 2
- 229940124530 sulfonamide Drugs 0.000 title abstract 2
- 238000005660 chlorination reaction Methods 0.000 title 1
- GDANWVKBBCWCIJ-UHFFFAOYSA-N sulfachlorpyrazine Chemical compound C1=CC(N)=CC=C1S(=O)(=O)NC1=CN=C(Cl)C=N1 GDANWVKBBCWCIJ-UHFFFAOYSA-N 0.000 title 1
- 238000006243 chemical reaction Methods 0.000 abstract 2
- 239000003242 anti bacterial agent Substances 0.000 abstract 1
- 239000003054 catalyst Substances 0.000 abstract 1
- 230000008929 regeneration Effects 0.000 abstract 1
- 238000011069 regeneration method Methods 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
- C07D241/14—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
- C07D241/20—Nitrogen atoms
- C07D241/22—Benzenesulfonamido pyrazines
-
- 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
- C07D241/16—Halogen atoms; Nitro radicals
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/584—Recycling of catalysts
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7400100A FR2256916A1 (en) | 1974-01-03 | 1974-01-03 | Sulphachloro-pyrazine prepn. - by chlorination of pyrazine dioxide to 2,6-dichloropyrazine which is then condensed with sulphanilamide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7400100A FR2256916A1 (en) | 1974-01-03 | 1974-01-03 | Sulphachloro-pyrazine prepn. - by chlorination of pyrazine dioxide to 2,6-dichloropyrazine which is then condensed with sulphanilamide |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2256916A1 true FR2256916A1 (en) | 1975-08-01 |
| FR2256916B3 FR2256916B3 (en, 2012) | 1976-10-22 |
Family
ID=9133043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7400100A Granted FR2256916A1 (en) | 1974-01-03 | 1974-01-03 | Sulphachloro-pyrazine prepn. - by chlorination of pyrazine dioxide to 2,6-dichloropyrazine which is then condensed with sulphanilamide |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2256916A1 (en, 2012) |
-
1974
- 1974-01-03 FR FR7400100A patent/FR2256916A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2256916B3 (en, 2012) | 1976-10-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |