FI92481C - Menetelmä kloorifluoribenseenin tai difluoribenseenin valmistamiseksi - Google Patents
Menetelmä kloorifluoribenseenin tai difluoribenseenin valmistamiseksiInfo
- Publication number
- FI92481C FI92481C FI895663A FI895663A FI92481C FI 92481 C FI92481 C FI 92481C FI 895663 A FI895663 A FI 895663A FI 895663 A FI895663 A FI 895663A FI 92481 C FI92481 C FI 92481C
- Authority
- FI
- Finland
- Prior art keywords
- chlorofluorobenzene
- difluorobenzene
- producing
- producing chlorofluorobenzene
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C17/00—Preparation of halogenated hydrocarbons
- C07C17/093—Preparation of halogenated hydrocarbons by replacement by halogens
- C07C17/20—Preparation of halogenated hydrocarbons by replacement by halogens of halogen atoms by other halogen atoms
- C07C17/202—Preparation of halogenated hydrocarbons by replacement by halogens of halogen atoms by other halogen atoms two or more compounds being involved in the reaction
- C07C17/208—Preparation of halogenated hydrocarbons by replacement by halogens of halogen atoms by other halogen atoms two or more compounds being involved in the reaction the other compound being MX
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/276,713 US4937397A (en) | 1988-11-28 | 1988-11-28 | Preparation of halofluorobenzenes |
US27671388 | 1988-11-28 |
Publications (3)
Publication Number | Publication Date |
---|---|
FI895663A0 FI895663A0 (fi) | 1989-11-27 |
FI92481B FI92481B (fi) | 1994-08-15 |
FI92481C true FI92481C (fi) | 1994-11-25 |
Family
ID=23057793
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI895663A FI92481C (fi) | 1988-11-28 | 1989-11-27 | Menetelmä kloorifluoribenseenin tai difluoribenseenin valmistamiseksi |
Country Status (8)
Country | Link |
---|---|
US (1) | US4937397A (fi) |
EP (1) | EP0371563B1 (fi) |
JP (1) | JPH02218630A (fi) |
AU (1) | AU613543B2 (fi) |
BR (1) | BR8906223A (fi) |
CA (1) | CA2003918A1 (fi) |
DE (1) | DE68913447T2 (fi) |
FI (1) | FI92481C (fi) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2003919C (en) * | 1988-11-28 | 2000-01-18 | R. Garth Pews | Preparation of difluorobenzenes containing electron withdrawing substitutents |
JPH05112479A (ja) * | 1991-03-27 | 1993-05-07 | Dowelanco | 0−クロロフルオロベンゼンの製造方法 |
US5091580A (en) * | 1991-03-27 | 1992-02-25 | Dowelanco | Process for the preparation of 2,6-difluoroaniline |
US5498807A (en) * | 1992-11-18 | 1996-03-12 | Hoechst Aktiengesellschaft | Process for the preparation of aromatic fluoro compounds |
DE4324367A1 (de) * | 1993-07-21 | 1995-01-26 | Hoechst Ag | Verfahren zur Herstellung von Fluornitrobenzolen |
DE4324365A1 (de) * | 1993-07-21 | 1995-01-26 | Hoechst Ag | Verfahren zur Herstellung von mehrfach fluorierten Nitrobenzolen |
DE4426133A1 (de) * | 1994-07-22 | 1996-01-25 | Bayer Ag | Verfahren zur Herstellung von aromatischen fluorierten Verbindungen und neue Diamide |
WO1998022413A1 (en) | 1996-11-22 | 1998-05-28 | Albemarle Corporation | Halogen exchange reactions and uses thereof |
US5824827A (en) * | 1996-11-22 | 1998-10-20 | Albemarle Corporation | Halogen exchange reactions |
US5965781A (en) * | 1997-11-21 | 1999-10-12 | Albemarle Corporation | Catalysis in halogen exchange reactions |
WO2005042504A1 (en) * | 2003-10-31 | 2005-05-12 | Molecular Probes, Inc. | Fluorinated resorufin compounds and their application in detecting hydrogen peroxide |
GB0407952D0 (en) * | 2004-04-08 | 2004-05-12 | Amersham Plc | Fluoridation method |
CN117384004B (zh) * | 2023-12-11 | 2024-03-29 | 山东国邦药业有限公司 | 一种2,4-二氯氟苯的合成方法 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1062301A (en) * | 1964-02-04 | 1967-03-22 | Imp Smelting Corp Ltd | Fluorination of aromatic compounds |
US3574775A (en) * | 1968-04-22 | 1971-04-13 | Imp Smelting Corp Ltd | Fluorination of perhalo compounds |
US4229365A (en) * | 1977-05-28 | 1980-10-21 | Basf Aktiengesellschaft | Manufacture of substituted fluorobenzenes |
FR2471974A1 (fr) * | 1979-12-20 | 1981-06-26 | Rhone Poulenc Ind | Procede de preparation de fluorures de fluorobenzene sulfonyle |
JPS60228436A (ja) * | 1984-04-27 | 1985-11-13 | Asahi Glass Co Ltd | 芳香族化合物のフツ素化方法 |
US4590315A (en) * | 1984-10-15 | 1986-05-20 | Occidental Chemical Corporation | Process for the preparation of halo aromatic compounds |
CA2003919C (en) * | 1988-11-28 | 2000-01-18 | R. Garth Pews | Preparation of difluorobenzenes containing electron withdrawing substitutents |
-
1988
- 1988-11-28 US US07/276,713 patent/US4937397A/en not_active Expired - Fee Related
-
1989
- 1989-11-27 JP JP1304936A patent/JPH02218630A/ja active Pending
- 1989-11-27 DE DE68913447T patent/DE68913447T2/de not_active Expired - Fee Related
- 1989-11-27 EP EP89203012A patent/EP0371563B1/en not_active Expired - Lifetime
- 1989-11-27 FI FI895663A patent/FI92481C/fi not_active IP Right Cessation
- 1989-11-27 AU AU45573/89A patent/AU613543B2/en not_active Ceased
- 1989-11-27 CA CA002003918A patent/CA2003918A1/en not_active Abandoned
- 1989-11-28 BR BR898906223A patent/BR8906223A/pt not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
EP0371563A1 (en) | 1990-06-06 |
AU613543B2 (en) | 1991-08-01 |
AU4557389A (en) | 1990-05-31 |
FI895663A0 (fi) | 1989-11-27 |
JPH02218630A (ja) | 1990-08-31 |
BR8906223A (pt) | 1990-06-26 |
DE68913447T2 (de) | 1994-06-01 |
US4937397A (en) | 1990-06-26 |
EP0371563B1 (en) | 1994-03-02 |
DE68913447D1 (de) | 1994-04-07 |
CA2003918A1 (en) | 1990-05-28 |
FI92481B (fi) | 1994-08-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
BB | Publication of examined application | ||
MM | Patent lapsed | ||
MM | Patent lapsed |
Owner name: THE DOW CHEMICAL COMPANY |