FI924577A0 - REFRIGERATION FOR THE FRAMSTATION OF 1,2,4-TRIFLUORBENZENE AND 1-CHLORO-3,4-DIFLUORBENZENE - Google Patents
REFRIGERATION FOR THE FRAMSTATION OF 1,2,4-TRIFLUORBENZENE AND 1-CHLORO-3,4-DIFLUORBENZENEInfo
- Publication number
- FI924577A0 FI924577A0 FI924577A FI924577A FI924577A0 FI 924577 A0 FI924577 A0 FI 924577A0 FI 924577 A FI924577 A FI 924577A FI 924577 A FI924577 A FI 924577A FI 924577 A0 FI924577 A0 FI 924577A0
- Authority
- FI
- Finland
- Prior art keywords
- trifluorbenzene
- difluorbenzene
- framstation
- refrigeration
- chloro
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C245/00—Compounds containing chains of at least two nitrogen atoms with at least one nitrogen-to-nitrogen multiple bond
- C07C245/20—Diazonium compounds
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US50837290A | 1990-04-12 | 1990-04-12 | |
PCT/US1991/001937 WO1991016287A1 (en) | 1990-04-12 | 1991-03-22 | Process for preparation of 1,2,4-trifluorobenzene and 1-chloro-3,4-difluorobenzene |
Publications (2)
Publication Number | Publication Date |
---|---|
FI924577A0 true FI924577A0 (en) | 1992-10-09 |
FI924577A FI924577A (en) | 1992-10-09 |
Family
ID=24022496
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI924577A FI924577A (en) | 1990-04-12 | 1992-10-09 | REFRIGERATION FOR THE FRAMSTATION OF 1,2,4-TRIFLUORBENZENE AND 1-CHLORO-3,4-DIFLUORBENZENE |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP0525019A1 (en) |
JP (1) | JPH05502453A (en) |
CA (1) | CA2078215A1 (en) |
FI (1) | FI924577A (en) |
IE (1) | IE911209A1 (en) |
PT (1) | PT97308A (en) |
WO (1) | WO1991016287A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101817724B (en) * | 2010-05-19 | 2013-07-03 | 浙江天宇药业股份有限公司 | Preparation method of 1,2,4-trifluoro-benzene |
CN116730795B (en) * | 2023-08-11 | 2023-10-27 | 山东国邦药业有限公司 | Synthesis method of trifluoro-phenylacetic acid intermediate 1,2, 4-trifluoro-benzene |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4216340A (en) * | 1979-05-02 | 1980-08-05 | Merck & Co., Inc. | Preparation of 5-(2,4-difluorophenyl)salicylic acid and derivatives |
DE2928486A1 (en) * | 1979-07-14 | 1981-01-29 | Bayer Ag | METHOD FOR PRODUCING DIAZONIUM TETRAFLUOROBORATES IN DILUTED AQUEOUS SOLUTION |
DE3141659A1 (en) * | 1981-10-21 | 1983-05-05 | Bayer Ag, 5090 Leverkusen | METHOD FOR THE PRODUCTION OF FLUORAROMATS SUBSTITUTED IN O POSITION |
-
1991
- 1991-03-22 CA CA 2078215 patent/CA2078215A1/en not_active Abandoned
- 1991-03-22 WO PCT/US1991/001937 patent/WO1991016287A1/en not_active Application Discontinuation
- 1991-03-22 JP JP50732191A patent/JPH05502453A/en active Pending
- 1991-03-22 EP EP19910907690 patent/EP0525019A1/en not_active Withdrawn
- 1991-04-10 PT PT9730891A patent/PT97308A/en not_active Application Discontinuation
- 1991-04-11 IE IE120991A patent/IE911209A1/en unknown
-
1992
- 1992-10-09 FI FI924577A patent/FI924577A/en unknown
Also Published As
Publication number | Publication date |
---|---|
EP0525019A1 (en) | 1993-02-03 |
CA2078215A1 (en) | 1991-10-13 |
PT97308A (en) | 1992-01-31 |
WO1991016287A1 (en) | 1991-10-31 |
IE911209A1 (en) | 1991-10-23 |
FI924577A (en) | 1992-10-09 |
JPH05502453A (en) | 1993-04-28 |
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