DE69514122T2 - Lösungsmittelfreies verfahren zur herstellung von 2,6 difluorbenzonitril - Google Patents
Lösungsmittelfreies verfahren zur herstellung von 2,6 difluorbenzonitrilInfo
- Publication number
- DE69514122T2 DE69514122T2 DE69514122T DE69514122T DE69514122T2 DE 69514122 T2 DE69514122 T2 DE 69514122T2 DE 69514122 T DE69514122 T DE 69514122T DE 69514122 T DE69514122 T DE 69514122T DE 69514122 T2 DE69514122 T2 DE 69514122T2
- Authority
- DE
- Germany
- Prior art keywords
- benzonitrile
- mixture
- catalyst
- tars
- dichloro
- 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 - Fee Related
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C253/00—Preparation of carboxylic acid nitriles
- C07C253/30—Preparation of carboxylic acid nitriles by reactions not involving the formation of cyano groups
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Saccharide Compounds (AREA)
- Catalysts (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/365,726 US5502235A (en) | 1994-12-28 | 1994-12-28 | Solventless process for making 2,6 difluorobenzonitrile |
| PCT/US1995/014971 WO1996020168A1 (en) | 1994-12-28 | 1995-11-17 | Solventless process for making 2,6-difluorobenzonitrile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE69514122D1 DE69514122D1 (de) | 2000-01-27 |
| DE69514122T2 true DE69514122T2 (de) | 2000-04-20 |
Family
ID=23440092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE69514122T Expired - Fee Related DE69514122T2 (de) | 1994-12-28 | 1995-11-17 | Lösungsmittelfreies verfahren zur herstellung von 2,6 difluorbenzonitril |
Country Status (18)
| Country | Link |
|---|---|
| US (1) | US5502235A (https=) |
| EP (1) | EP0800506B1 (https=) |
| JP (1) | JPH10511941A (https=) |
| CN (1) | CN1174546A (https=) |
| AR (1) | AR000556A1 (https=) |
| AT (1) | ATE187959T1 (https=) |
| AU (1) | AU702641B2 (https=) |
| BR (1) | BR9510428A (https=) |
| CA (1) | CA2209141A1 (https=) |
| DE (1) | DE69514122T2 (https=) |
| DK (1) | DK0800506T3 (https=) |
| ES (1) | ES2139951T3 (https=) |
| FI (1) | FI972742L (https=) |
| HU (1) | HU215936B (https=) |
| IL (1) | IL116634A (https=) |
| TW (1) | TW307748B (https=) |
| WO (1) | WO1996020168A1 (https=) |
| ZA (1) | ZA9510902B (https=) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3840261B2 (ja) * | 1995-06-20 | 2006-11-01 | 日本曹達株式会社 | ２，３−ジハロゲノ−６−トリフルオロメチルベンゼン誘導体およびその製造方法 |
| DE19702282C2 (de) * | 1997-01-23 | 1998-11-19 | Hoechst Ag | Katalysator für Halex-Reaktionen |
| MXPA03010352A (es) * | 2001-05-17 | 2004-03-16 | Rhodia Chimie Sa | Uso de una composicion de naturaleza ionica como reactivo de sustitucion, composicion que constituye un reactivo de fluoracion y metodo que la utiliza. |
| DE10227223A1 (de) * | 2002-06-18 | 2004-01-08 | Kühlein, Klaus, Prof.Dr. | Verfahren zur Herstellung substituierter organischer Verbindungen und Verwendung von Katalysatoren für Substitutionsreaktionen |
| CN103044388B (zh) * | 2011-10-17 | 2015-04-15 | 张家港市国泰华荣化工新材料有限公司 | 一种3,4—二氟环丁砜的制备方法 |
| 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 |
| CN112939782B (zh) * | 2019-12-11 | 2022-09-30 | 兰州康鹏威耳化工有限公司 | 一种含氟芳基化合物的制备方法 |
| CN113024414A (zh) * | 2021-03-23 | 2021-06-25 | 江苏合泰新材料科技有限公司 | 一种高效合成含氟化合物的方法 |
| CN119565653B (zh) * | 2024-12-05 | 2026-03-24 | 石河子大学 | 一种氮掺杂碳负载铁催化剂及其在催化合成芳香腈中的应用 |
Family Cites Families (29)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB995927A (en) * | 1962-10-23 | 1965-06-23 | Imp Smelting Corp Ltd | Fluorination of perhalo compounds |
| NL302228A (https=) * | 1962-12-20 | |||
| NL129620C (https=) * | 1963-04-01 | |||
| US4051168A (en) * | 1976-05-12 | 1977-09-27 | E. I. Du Pont De Nemours And Company | Fluorination process |
| US4229365A (en) * | 1977-05-28 | 1980-10-21 | Basf Aktiengesellschaft | Manufacture of substituted fluorobenzenes |
| DE2803259A1 (de) * | 1978-01-26 | 1979-08-02 | Basf Ag | Verfahren zur herstellung von fluorbenzolen |
| DE2902877C2 (de) * | 1978-01-28 | 1983-05-05 | I.S.C. Chemicals Ltd., London | Verfahren zur Herstellung eines Fluorbenzomononitrils |
| DE2938939A1 (de) * | 1978-10-05 | 1980-04-17 | Boots Co Ltd | Verfahren zur herstellung von fluornitrobenzolen |
| US4174349A (en) * | 1978-10-30 | 1979-11-13 | Allied Chemical Corporation | Preparation of fluoroorganic compounds with calcium fluoride |
| FR2490634A1 (fr) * | 1980-09-25 | 1982-03-26 | Rhone Poulenc Ind | Procede de preparation de fluorobenzonitriles |
| JPS57197226A (en) * | 1981-05-30 | 1982-12-03 | Dainippon Ink & Chem Inc | Preparation of aromatic fluorine compound |
| EP0073372B1 (en) * | 1981-08-31 | 1984-08-01 | Ishihara Sangyo Kaisha, Ltd. | Process for producing 2,6-difluorobenzonitrile |
| EP0120575B1 (en) * | 1983-02-18 | 1989-06-14 | Nippon Shokubai Kagaku Kogyo Co., Ltd | Organic fluorine compounds |
| JPS604159A (ja) * | 1983-06-23 | 1985-01-10 | Ishihara Sangyo Kaisha Ltd | フルオロベンゾニトリル系化合物の製造方法 |
| US4704483A (en) * | 1984-04-27 | 1987-11-03 | Occidental Chemical Corporation | 3,4-difluoro-5-nitrobenzotrifluoride and preparation of fluoro-nitro-benzotrifluorides |
| US4952719A (en) * | 1984-10-15 | 1990-08-28 | Occidental Chemical Corporation | Process for the preparation of halo aromatic compounds |
| GB8500180D0 (en) * | 1985-01-04 | 1985-02-13 | Ici Plc | Chemical process |
| US4680406A (en) * | 1985-10-15 | 1987-07-14 | The Dow Chemical Company | Process for fluorinating halogenated organo-compounds |
| JPS62114939A (ja) * | 1985-11-14 | 1987-05-26 | Sumitomo Chem Co Ltd | フルオロベンゼン誘導体の製造法 |
| US4849552A (en) * | 1986-01-06 | 1989-07-18 | Mallinckrodt, Inc. | Preparation of fluoroaromatic compounds in dispersion of potassium fluoride |
| US4642398A (en) * | 1986-01-06 | 1987-02-10 | Mallinckrodt, Inc. | Preparation of fluoronitrobenzene compounds in dispersion of potassium fluoride |
| DE3681033D1 (de) * | 1986-01-06 | 1991-09-26 | Mallinckrodt Inc | Katalytisches verfahren zur herstellung von fluoraomatischen verbindungen mittels n-sek-alkylpyridiniumsalze. |
| JPS63502182A (ja) * | 1986-01-06 | 1988-08-25 | マリンクロッド・インコ−ポレイテッド | 枝分れ鎖アルキルピリジニウム塩を用いるフルオロ芳香族化合物の接触製造方法 |
| DE3642326A1 (de) * | 1986-12-11 | 1988-06-23 | Bayer Ag | Verfahren zur gewinnung von substituierten fluorbenzolen |
| US4973772A (en) * | 1987-02-07 | 1990-11-27 | Mallinckrodt, Inc. | Catalytic method for producing fluoroarmatic compounds using substituted pyridinium salts |
| JP2577567B2 (ja) * | 1987-07-07 | 1997-02-05 | イハラケミカル工業株式会社 | 芳香族フッ素化合物の製造方法 |
| DE3827436A1 (de) * | 1988-08-12 | 1990-02-15 | Bayer Ag | Verfahren zum einfuehren von fluoratomen an aromatische kerne durch nucleophilen austausch |
| ES2079666T3 (es) * | 1990-06-25 | 1996-01-16 | Hoechst Ag | Procedimiento para la preparacion de clorofluoro-nitrobencenos y difluoro-nitrobencenos. |
| EP0635486B1 (de) * | 1993-07-21 | 1998-12-09 | Clariant GmbH | Verfahren zur Herstellung von Fluorbenzonitrilen |
-
1994
- 1994-12-28 US US08/365,726 patent/US5502235A/en not_active Expired - Fee Related
-
1995
- 1995-11-17 WO PCT/US1995/014971 patent/WO1996020168A1/en not_active Ceased
- 1995-11-17 DK DK95940030T patent/DK0800506T3/da active
- 1995-11-17 JP JP8520445A patent/JPH10511941A/ja not_active Ceased
- 1995-11-17 FI FI972742A patent/FI972742L/fi unknown
- 1995-11-17 ES ES95940030T patent/ES2139951T3/es not_active Expired - Lifetime
- 1995-11-17 BR BR9510428A patent/BR9510428A/pt not_active Application Discontinuation
- 1995-11-17 AU AU41645/96A patent/AU702641B2/en not_active Ceased
- 1995-11-17 CN CN95197478A patent/CN1174546A/zh active Pending
- 1995-11-17 EP EP95940030A patent/EP0800506B1/en not_active Expired - Lifetime
- 1995-11-17 AT AT95940030T patent/ATE187959T1/de not_active IP Right Cessation
- 1995-11-17 CA CA002209141A patent/CA2209141A1/en not_active Abandoned
- 1995-11-17 DE DE69514122T patent/DE69514122T2/de not_active Expired - Fee Related
- 1995-11-17 HU HU9701844A patent/HU215936B/hu not_active IP Right Cessation
- 1995-11-28 TW TW084112671A patent/TW307748B/zh active
- 1995-12-21 ZA ZA9510902A patent/ZA9510902B/xx unknown
- 1995-12-27 AR ARP950100773A patent/AR000556A1/es unknown
- 1995-12-31 IL IL11663495A patent/IL116634A/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| CA2209141A1 (en) | 1996-07-04 |
| DK0800506T3 (da) | 2000-05-15 |
| FI972742A7 (fi) | 1997-08-27 |
| AU702641B2 (en) | 1999-02-25 |
| FI972742A0 (fi) | 1997-06-25 |
| AU4164596A (en) | 1996-07-19 |
| FI972742L (fi) | 1997-08-27 |
| CN1174546A (zh) | 1998-02-25 |
| IL116634A0 (en) | 1996-03-31 |
| WO1996020168A1 (en) | 1996-07-04 |
| AR000556A1 (es) | 1997-07-10 |
| ZA9510902B (en) | 1997-06-23 |
| HU215936B (hu) | 1999-03-29 |
| IL116634A (en) | 2003-04-10 |
| US5502235A (en) | 1996-03-26 |
| EP0800506A1 (en) | 1997-10-15 |
| TW307748B (https=) | 1997-06-11 |
| DE69514122D1 (de) | 2000-01-27 |
| EP0800506B1 (en) | 1999-12-22 |
| HUT77239A (hu) | 1998-03-02 |
| BR9510428A (pt) | 1998-07-07 |
| ATE187959T1 (de) | 2000-01-15 |
| JPH10511941A (ja) | 1998-11-17 |
| ES2139951T3 (es) | 2000-02-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |