BE864280A - Procede de preparation de m-bromo-alpha,alpha, alpha,-trifluorotoluenes - Google Patents

Procede de preparation de m-bromo-alpha,alpha, alpha,-trifluorotoluenes

Info

Publication number
BE864280A
BE864280A BE2056704A BE2056704A BE864280A BE 864280 A BE864280 A BE 864280A BE 2056704 A BE2056704 A BE 2056704A BE 2056704 A BE2056704 A BE 2056704A BE 864280 A BE864280 A BE 864280A
Authority
BE
Belgium
Prior art keywords
alpha
trifluorotoluenes
bromo
preparing
Prior art date
Application number
BE2056704A
Other languages
English (en)
Original Assignee
Bayer Ag
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 Bayer Ag filed Critical Bayer Ag
Publication of BE864280A publication Critical patent/BE864280A/fr

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C25/00—Compounds containing at least one halogen atom bound to a six-membered aromatic ring
    • C07C25/02—Monocyclic aromatic halogenated hydrocarbons
    • C07C25/13—Monocyclic aromatic halogenated hydrocarbons containing fluorine
    • 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
    • C07C17/10—Preparation of halogenated hydrocarbons by replacement by halogens of hydrogen atoms
    • C07C17/12—Preparation of halogenated hydrocarbons by replacement by halogens of hydrogen atoms in the ring of aromatic 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
    • 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
    • C07C17/206—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 HX

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
BE2056704A 1977-02-25 1978-02-24 Procede de preparation de m-bromo-alpha,alpha, alpha,-trifluorotoluenes BE864280A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2708190A DE2708190C2 (de) 1977-02-25 1977-02-25 Verfahren zur Herstellung von m-Brom-benzotrifluoriden

Publications (1)

Publication Number Publication Date
BE864280A true BE864280A (fr) 1978-08-24

Family

ID=6002158

Family Applications (1)

Application Number Title Priority Date Filing Date
BE2056704A BE864280A (fr) 1977-02-25 1978-02-24 Procede de preparation de m-bromo-alpha,alpha, alpha,-trifluorotoluenes

Country Status (7)

Country Link
US (1) US4155940A (fr)
JP (1) JPS53105435A (fr)
BE (1) BE864280A (fr)
CH (1) CH633244A5 (fr)
DE (1) DE2708190C2 (fr)
FR (1) FR2381733A1 (fr)
GB (1) GB1574684A (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4393257A (en) * 1976-12-27 1983-07-12 Daikin Kogyo Co., Ltd. Process for preparing benzotrifluoride and its derivatives
DE2837499A1 (de) * 1978-08-28 1980-03-20 Bayer Ag Verfahren zur herstellung von substituierten benzotrifluoriden und neue substituierte benzotrifluoride
DE2928987A1 (de) * 1979-07-18 1981-02-12 Bayer Ag 4-fluor-3-brom-benzoylfluorid und verfahren zu seiner herstellung
DE3109966A1 (de) * 1981-03-14 1982-09-23 Bayer Ag, 5090 Leverkusen Verfahren zur herstellung von trichlormethyl-substituierten aromatischen verbindungen und dabei erhaltene trichlormethyl-substituierte verbindungen
JPS58222040A (ja) * 1982-06-18 1983-12-23 Central Glass Co Ltd メタ−クロロベンゾトリフルオリドの製造方法
US4727187A (en) * 1984-06-15 1988-02-23 Ciba-Geigy Corporation Process for the preparation of α, α-difluoroalkyl phenyl ether derivatives
GB8523126D0 (en) * 1985-09-19 1985-10-23 Ici Plc Aryl pyridones
US4966988A (en) * 1989-02-17 1990-10-30 Chevron Research Company Process for preparing acetonitrile 3-trifluoromethyl benzene
CN108558597A (zh) * 2018-06-07 2018-09-21 天门楚天精细化工有限公司 一种高效实用的间溴三氟甲苯的合成方法
CN111620778A (zh) * 2020-05-28 2020-09-04 吴赣药业（苏州）有限公司 一种5-溴-2-氯苯甲酸的制备方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3258500A (en) * 1959-08-17 1966-06-28 Du Pont Process for fluorinating halohydro-carbons
US3859372A (en) * 1969-12-03 1975-01-07 Hooker Chemicals Plastics Corp Process for the preparation of organic fluorine compounds
DE1965782A1 (de) * 1969-12-31 1971-07-08 Hoechst Ag Verbessertes Verfahren zur Herstellung von aromatischen Trifluormethylverbindungen der Benzolreihe
CH598163A5 (fr) * 1974-12-19 1978-04-28 Lonza Ag
US4045502A (en) * 1976-09-29 1977-08-30 Olin Corporation Process for producing high purity para-chlorobenzotrifluoride

Also Published As

Publication number Publication date
JPS53105435A (en) 1978-09-13
DE2708190C2 (de) 1984-09-27
US4155940A (en) 1979-05-22
FR2381733B1 (fr) 1983-12-30
CH633244A5 (de) 1982-11-30
FR2381733A1 (fr) 1978-09-22
DE2708190A1 (de) 1978-08-31
GB1574684A (en) 1980-09-10

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: BAYER A.G.

Effective date: 19860228