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-DIFLUORBENZENE

Info

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
Application number
FI924577A
Other languages
Finnish (fi)
Other versions
FI924577A (en
Inventor
Tamin F Braish
Original Assignee
Pfizer
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 Pfizer filed Critical Pfizer
Publication of FI924577A publication Critical patent/FI924577A/en
Publication of FI924577A0 publication Critical patent/FI924577A0/en

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
FI924577A 1990-04-12 1992-10-09 REFRIGERATION FOR THE FRAMSTATION OF 1,2,4-TRIFLUORBENZENE AND 1-CHLORO-3,4-DIFLUORBENZENE FI924577A0 (en)

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
FI924577A FI924577A (en) 1992-10-09
FI924577A0 true FI924577A0 (en) 1992-10-09

Family

ID=24022496

Family Applications (1)

Application Number Title Priority Date Filing Date
FI924577A FI924577A0 (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) FI924577A0 (en)
IE (1) IE911209A1 (en)
PT (1) PT97308A (en)
WO (1) WO1991016287A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
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)

* 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
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

Also Published As

Publication number Publication date
PT97308A (en) 1992-01-31
EP0525019A1 (en) 1993-02-03
CA2078215A1 (en) 1991-10-13
FI924577A (en) 1992-10-09
JPH05502453A (en) 1993-04-28
IE911209A1 (en) 1991-10-23
WO1991016287A1 (en) 1991-10-31

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