JPH05502453A - 1,2,4―トリフルオロベンゼン及び1―クロロ―3,4―ジフルオロベンゼンの製造方法 - Google Patents
1,2,4―トリフルオロベンゼン及び1―クロロ―3,4―ジフルオロベンゼンの製造方法Info
- Publication number
- JPH05502453A JPH05502453A JP50732191A JP50732191A JPH05502453A JP H05502453 A JPH05502453 A JP H05502453A JP 50732191 A JP50732191 A JP 50732191A JP 50732191 A JP50732191 A JP 50732191A JP H05502453 A JPH05502453 A JP H05502453A
- Authority
- JP
- Japan
- Prior art keywords
- chloro
- fluoroaniline
- boron trifluoride
- trifluoride etherate
- fluoro
- 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.)
- Pending
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 | |
US508,372 | 1990-04-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH05502453A true JPH05502453A (ja) | 1993-04-28 |
Family
ID=24022496
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50732191A Pending JPH05502453A (ja) | 1990-04-12 | 1991-03-22 | 1,2,4―トリフルオロベンゼン及び1―クロロ―3,4―ジフルオロベンゼンの製造方法 |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP0525019A1 (fr) |
JP (1) | JPH05502453A (fr) |
CA (1) | CA2078215A1 (fr) |
FI (1) | FI924577A (fr) |
IE (1) | IE911209A1 (fr) |
PT (1) | PT97308A (fr) |
WO (1) | WO1991016287A1 (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101817724B (zh) * | 2010-05-19 | 2013-07-03 | 浙江天宇药业股份有限公司 | 1,2,4-三氟苯的制备方法 |
CN116730795B (zh) * | 2023-08-11 | 2023-10-27 | 山东国邦药业有限公司 | 一种三氟苯乙酸中间体1,2,4-三氟苯的合成方法 |
Citations (2)
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 |
JPS5879937A (ja) * | 1981-10-21 | 1983-05-13 | バイエル・アクチエンゲゼルシヤフト | o−位置で置換されたフルオロ芳香族化合物類の製造方法 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2928486A1 (de) * | 1979-07-14 | 1981-01-29 | Bayer Ag | Verfahren zur herstellung von diazoniumtetrafluoroboraten in verduennter waessriger loesung |
-
1991
- 1991-03-22 CA CA 2078215 patent/CA2078215A1/fr not_active Abandoned
- 1991-03-22 EP EP19910907690 patent/EP0525019A1/fr not_active Withdrawn
- 1991-03-22 JP JP50732191A patent/JPH05502453A/ja active Pending
- 1991-03-22 WO PCT/US1991/001937 patent/WO1991016287A1/fr not_active Application Discontinuation
- 1991-04-10 PT PT9730891A patent/PT97308A/pt not_active Application Discontinuation
- 1991-04-11 IE IE120991A patent/IE911209A1/en unknown
-
1992
- 1992-10-09 FI FI924577A patent/FI924577A/fi unknown
Patent Citations (2)
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 |
JPS5879937A (ja) * | 1981-10-21 | 1983-05-13 | バイエル・アクチエンゲゼルシヤフト | o−位置で置換されたフルオロ芳香族化合物類の製造方法 |
Also Published As
Publication number | Publication date |
---|---|
EP0525019A1 (fr) | 1993-02-03 |
CA2078215A1 (fr) | 1991-10-13 |
FI924577A0 (fi) | 1992-10-09 |
FI924577A (fi) | 1992-10-09 |
IE911209A1 (en) | 1991-10-23 |
PT97308A (pt) | 1992-01-31 |
WO1991016287A1 (fr) | 1991-10-31 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
MX2009001020A (es) | Proceso quimico para preparacion de esteres y amidas de ciclopropano aromaticos. | |
HU208823B (en) | Process for producing new thiophenecarboxylic acid esters of amino-alcohols, their quaternary derivatives and pharmaceutical compositions comprising them as active ingredient | |
JP3220525B2 (ja) | ジアルキルカーボネートの製造方法 | |
JPH07500349A (ja) | キノリン抗生物質の合成における中間体の製造 | |
JPH05502453A (ja) | 1,2,4―トリフルオロベンゼン及び1―クロロ―3,4―ジフルオロベンゼンの製造方法 | |
US4150154A (en) | Amidinoureas | |
JPS6130659B2 (fr) | ||
JP2020527145A (ja) | ピリミドン化合物を調製するための方法 | |
JPH04244041A (ja) | ハロゲノメチルケトン、特に1,1,1−トリフルオロアセトンの製造法 | |
JPH04225939A (ja) | 芳香族アミンの製造方法 | |
US20040171863A1 (en) | Process for poducing beta-oxonitrile compound or alkali metal salt thereof | |
EP1258490B1 (fr) | Procede de preparation de derives d'indolopyrrolocarbazole, leurs intermediaires, et procede de preparation des intermediaires | |
JPS5855133B2 (ja) | 4− アミノ −3,5− ジハロゲン − フエニルエタノ−ルアミンルイノ セイゾウホウホウ | |
JPH05502036A (ja) | 3,4―ジフルオロアニリンの製造方法 | |
CN114426521B (zh) | 一种含氟烷硫基取代的吡唑衍生物及其合成方法 | |
CN115521258B (zh) | 一种α-烷氧基唑苯乙酮类衍生物及其合成方法 | |
JP2540391B2 (ja) | β−ケトエステルの製法 | |
KR970001159B1 (ko) | 신규 1,8-나프티리딘 유도체 및 그의 제조방법 | |
JPH09509427A (ja) | ビスアゾアリールレゾルシノール中間体を介した4,6−ジアミノレゾルシノールの製造方法 | |
Zhu et al. | A new route to 5‐trifluoromethyl‐2, 3‐dihydro‐1, 4‐diazepine and 2‐trifluoromethylbenzimidazole | |
JPS6344156B2 (fr) | ||
US3546224A (en) | Novel quinazoline compounds and process means for producing the same | |
US6121442A (en) | 1,2-dialkinylated compounds | |
JP4126944B2 (ja) | 5−アミノ−4−ニトロソピラゾール化合物の製法 | |
WO1995013281A1 (fr) | Procede de production d'un cepheme trisubstitue |