CH660361A5 - Verfahren zur herstellung von 2,6-difluorbenzonitril. - Google Patents
Verfahren zur herstellung von 2,6-difluorbenzonitril. Download PDFInfo
- Publication number
- CH660361A5 CH660361A5 CH303784A CH303784A CH660361A5 CH 660361 A5 CH660361 A5 CH 660361A5 CH 303784 A CH303784 A CH 303784A CH 303784 A CH303784 A CH 303784A CH 660361 A5 CH660361 A5 CH 660361A5
- Authority
- CH
- Switzerland
- Prior art keywords
- reaction
- dichlorobenzonitrile
- potassium fluoride
- molar amount
- product
- Prior art date
Links
- BNBRIFIJRKJGEI-UHFFFAOYSA-N 2,6-difluorobenzonitrile Chemical compound FC1=CC=CC(F)=C1C#N BNBRIFIJRKJGEI-UHFFFAOYSA-N 0.000 title description 15
- 238000004519 manufacturing process Methods 0.000 title 1
- NROKBHXJSPEDAR-UHFFFAOYSA-M potassium fluoride Chemical compound [F-].[K+] NROKBHXJSPEDAR-UHFFFAOYSA-M 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 18
- 238000006243 chemical reaction Methods 0.000 claims description 17
- YOYAIZYFCNQIRF-UHFFFAOYSA-N 2,6-dichlorobenzonitrile Chemical compound ClC1=CC=CC(Cl)=C1C#N YOYAIZYFCNQIRF-UHFFFAOYSA-N 0.000 claims description 14
- 235000003270 potassium fluoride Nutrition 0.000 claims description 10
- 239000011698 potassium fluoride Substances 0.000 claims description 10
- 239000002904 solvent Substances 0.000 claims description 7
- 238000002360 preparation method Methods 0.000 claims description 3
- 239000000047 product Substances 0.000 description 12
- 239000007795 chemical reaction product Substances 0.000 description 3
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000004821 distillation Methods 0.000 description 2
- 125000001153 fluoro group Chemical group F* 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- HHVIBTZHLRERCL-UHFFFAOYSA-N sulfonyldimethane Chemical compound CS(C)(=O)=O HHVIBTZHLRERCL-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- QDIYZGWZTHZFNM-UHFFFAOYSA-N [F].[K] Chemical compound [F].[K] QDIYZGWZTHZFNM-UHFFFAOYSA-N 0.000 description 1
- 239000003905 agrochemical Substances 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 125000001309 chloro group Chemical group Cl* 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 238000004817 gas chromatography Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 238000010626 work up procedure Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C255/00—Carboxylic acid nitriles
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11348083A JPS604159A (ja) | 1983-06-23 | 1983-06-23 | フルオロベンゾニトリル系化合物の製造方法 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH660361A5 true CH660361A5 (de) | 1987-04-15 |
Family
ID=14613344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH303784A CH660361A5 (de) | 1983-06-23 | 1984-06-22 | Verfahren zur herstellung von 2,6-difluorbenzonitril. |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS604159A (enrdf_load_stackoverflow) |
| CH (1) | CH660361A5 (enrdf_load_stackoverflow) |
| DE (1) | DE3422936A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2549048B1 (enrdf_load_stackoverflow) |
| GB (1) | GB2142018B (enrdf_load_stackoverflow) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6023358A (ja) * | 1983-07-19 | 1985-02-05 | Ishihara Sangyo Kaisha Ltd | ２，４，６−トリフルオロベンゾニトリル |
| US5530158A (en) * | 1984-06-04 | 1996-06-25 | Bayer Aktiengesellschaft | 2,4,5-trihalogeno- and 2,3,4,5-tetrahalogenobenzene derivatives |
| US5200548A (en) * | 1984-06-04 | 1993-04-06 | Bayer Aktiengesellschaft | 2,4,5-Trihalogeno- and 2,3,4,5-tetrahalogenobenzene derivatives |
| US5502235A (en) * | 1994-12-28 | 1996-03-26 | Dowelanco | Solventless process for making 2,6 difluorobenzonitrile |
| US6437168B1 (en) | 2000-09-05 | 2002-08-20 | Nippon Shokubai Co., Ltd. | Method for production of aromatic fluorine compound |
| CN104387289B (zh) * | 2014-10-30 | 2017-09-01 | 天津河清化学工业有限公司 | 二氟苯腈生产中降低催化剂用量的方法 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1026290A (en) * | 1964-03-17 | 1966-04-14 | Robert Neville Haszeldine | Aromatic fluorine compounds |
| US3240824A (en) * | 1965-01-28 | 1966-03-15 | Olin Mathieson | Process for preparing fluoronitrobenzenes |
-
1983
- 1983-06-23 JP JP11348083A patent/JPS604159A/ja active Granted
-
1984
- 1984-06-15 GB GB08415348A patent/GB2142018B/en not_active Expired
- 1984-06-20 DE DE19843422936 patent/DE3422936A1/de active Granted
- 1984-06-22 CH CH303784A patent/CH660361A5/de not_active IP Right Cessation
- 1984-06-22 FR FR8409817A patent/FR2549048B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2549048A1 (fr) | 1985-01-18 |
| GB2142018B (en) | 1986-12-10 |
| FR2549048B1 (fr) | 1987-12-24 |
| DE3422936A1 (de) | 1985-01-03 |
| DE3422936C2 (enrdf_load_stackoverflow) | 1989-11-16 |
| JPH0216746B2 (enrdf_load_stackoverflow) | 1990-04-18 |
| GB8415348D0 (en) | 1984-07-18 |
| GB2142018A (en) | 1985-01-09 |
| JPS604159A (ja) | 1985-01-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE68902575T2 (de) | Verfahren zur herstellung von dihydroxybenzolen. | |
| DE1944925C3 (de) | Verfahren zur Herstellung einer molybdänorganischen Verbindung | |
| CH660361A5 (de) | Verfahren zur herstellung von 2,6-difluorbenzonitril. | |
| DE2531166C2 (de) | Verfahren zur Herstellung von 1,5,9-Cyclododecatrien | |
| DE2642270A1 (de) | Verfahren zur herstellung von aethylvanadat | |
| DE3787849T2 (de) | Verfahren zur katalytischen Transhalogenierung eines Polyiodobenzols. | |
| EP1924524B1 (de) | Verfahren zur Herstellung von Lösungen von Lithiumaluminiumhydrid | |
| DE2202204C2 (de) | Verfahren zur Herstellung von 2-Mercaptobenzimidazol | |
| DE1112069B (de) | Verfahren zur Herstellung von cistranstrans-Cyclododecatrien-(1, 5, 9) | |
| DE1232942B (de) | Verfahren zur Herstellung hoeherer Ketone | |
| DE2858002C2 (de) | Verfahren zur Herstellung von ortho-Alkoxyphenolen | |
| DE2418340A1 (de) | Verfahren zur herstellung von 3,5dichlorbenzoylchlorid | |
| DE3332017A1 (de) | Verfahren zur herstellung von 3,4-dichlorbenzotrihalogeniden | |
| DE3101650C2 (de) | Verfahren zur Herstellung von reinem, lagerbeständigem Acetoacetamid | |
| DE1026524B (de) | Verfahren zur Herstellung von Polymerisaten aus Olefinen | |
| DE2645703A1 (de) | Verfahren zur herstellung von hexamethyldisilazan | |
| DE565233C (de) | Verfahren zur Herstellung von Benzoesaeure | |
| DE1568829A1 (de) | Verfahren zur Herstellung von verzweigten innen ungesaettigten Perfluorolefinen | |
| DE1931212C3 (de) | Lewis-Basen enthaltende Palladlumcarbonyl-chiorid-Komplexe, Verfahren zu Rirer Herstellung und ihre Verwendung | |
| DE1543376C (de) | Verfahren zur Herstellung von N Nitro so N organyl hydroxyl aminen | |
| DE2337158C2 (de) | Verfahren zur Herstellung von Alkancarbonsäuren | |
| DE3151615A1 (de) | Verfahren zur herstellung von anthrachinon | |
| DE3221672A1 (de) | Verfahren zur herstellung von n,n'diacetylethylendiamin | |
| DE338281C (de) | Verfahren zur Herstellung von Alkylaethern des Vinylalkohols und seiner Homologen | |
| DE2145892C3 (de) | Verfahren zur Gewinnung von 5-Fluoruracil |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |