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
Application number
JP50732191A
Other languages
English (en)
Japanese (ja)
Inventor
ブライシュ,タミム・エフ
Original Assignee
ファイザー・インコーポレーテッド
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by ファイザー・インコーポレーテッド filed Critical ファイザー・インコーポレーテッド
Publication of JPH05502453A publication Critical patent/JPH05502453A/ja
Pending legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C245/00Compounds containing chains of at least two nitrogen atoms with at least one nitrogen-to-nitrogen multiple bond
    • C07C245/20Diazonium compounds
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C17/00Preparation of halogenated hydrocarbons
    • C07C17/093Preparation of halogenated hydrocarbons by replacement by halogens

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
JP50732191A 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 Pending JPH05502453A (ja)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Patent Citations (2)

* Cited by examiner, † Cited by third party
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