ZA953381B - Process for the preparing of bromine-containing aromatic compounds novel bromine-containing compounds and their use as intermediates in the synthesis of active substances - Google Patents

Process for the preparing of bromine-containing aromatic compounds novel bromine-containing compounds and their use as intermediates in the synthesis of active substances

Info

Publication number
ZA953381B
ZA953381B ZA953381A ZA953381A ZA953381B ZA 953381 B ZA953381 B ZA 953381B ZA 953381 A ZA953381 A ZA 953381A ZA 953381 A ZA953381 A ZA 953381A ZA 953381 B ZA953381 B ZA 953381B
Authority
ZA
South Africa
Prior art keywords
bromine
intermediates
synthesis
preparing
active substances
Prior art date
Application number
ZA953381A
Other languages
English (en)
Inventor
Hermann Hagemann
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 ZA953381B publication Critical patent/ZA953381B/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C201/00—Preparation of esters of nitric or nitrous acid or of compounds containing nitro or nitroso groups bound to a carbon skeleton
    • C07C201/06—Preparation of nitro compounds
    • C07C201/12—Preparation of nitro compounds by reactions not involving the formation of nitro groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
    • C07B39/00—Halogenation
    • 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
    • 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
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/093—Preparation of carboxylic acids or their salts, halides or anhydrides by hydrolysis of —CX3 groups, X being halogen
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/58—Preparation of carboxylic acid halides
    • C07C51/62—Preparation of carboxylic acid halides by reactions not involving the carboxylic acid halide group

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
ZA953381A 1994-04-28 1995-04-26 Process for the preparing of bromine-containing aromatic compounds novel bromine-containing compounds and their use as intermediates in the synthesis of active substances ZA953381B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4414841A DE4414841A1 (de) 1994-04-28 1994-04-28 Brom enthaltende aromatische Verbindungen, Verfahren zu ihrer Herstellung und ihre Verwendung als Zwischenprodukte bei der Synthese von Wirkstoffen

Publications (1)

Publication Number Publication Date
ZA953381B true ZA953381B (en) 1996-01-12

Family

ID=6516669

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA953381A ZA953381B (en) 1994-04-28 1995-04-26 Process for the preparing of bromine-containing aromatic compounds novel bromine-containing compounds and their use as intermediates in the synthesis of active substances

Country Status (8)

Country Link
US (1) US5792892A (xx)
EP (1) EP0757667B1 (xx)
JP (1) JPH09512540A (xx)
AU (1) AU2406595A (xx)
DE (2) DE4414841A1 (xx)
IL (1) IL113481A0 (xx)
WO (1) WO1995029886A1 (xx)
ZA (1) ZA953381B (xx)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5817888A (en) * 1997-06-09 1998-10-06 Albemarle Corporation Bromination process
US6271417B1 (en) * 1998-07-08 2001-08-07 Albemarble Corporation Process for producing 3-bromobenzoyl halides
US6506951B1 (en) * 1999-04-20 2003-01-14 Central Glass Company, Limited Process for producing brominated trifluoromethylbenzenes
BR112017007751B1 (pt) * 2014-10-14 2020-12-15 Syngenta Participations Ag Processo para a preparação de 5-bromo-1,2,3-triclorobenzeno

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB714206A (en) * 1952-04-23 1954-08-25 Dow Chemical Co Improvements in the bromination of aromatic compounds
US2607802A (en) * 1951-03-28 1952-08-19 Dow Chemical Co Bromination of aromatic compounds
FR2105250A3 (en) * 1970-09-04 1972-04-28 Berk Ltd Bromination of aromatic compounds - using chlorine in addn to bromine
DE2928987A1 (de) * 1979-07-18 1981-02-12 Bayer Ag 4-fluor-3-brom-benzoylfluorid und verfahren zu seiner herstellung
IE72169B1 (en) * 1989-11-17 1997-03-26 Asahi Glass Co Ltd Processes for producing 5-fluorobenzoic acids and their intermediates
DE4416329A1 (de) * 1994-05-09 1995-11-16 Hoechst Ag Substituierte 2-Chlor-3,4,5-trifluorbenzole und ein Verfahren zu ihrer Herstellung

Also Published As

Publication number Publication date
EP0757667B1 (de) 2000-04-19
US5792892A (en) 1998-08-11
DE59508200D1 (de) 2000-05-25
EP0757667A1 (de) 1997-02-12
WO1995029886A1 (de) 1995-11-09
IL113481A0 (en) 1995-07-31
AU2406595A (en) 1995-11-29
JPH09512540A (ja) 1997-12-16
DE4414841A1 (de) 1995-11-02

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