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GB8729738D0 - Process for selective para-bromination of phenol & its derivatives - Google Patents

Process for selective para-bromination of phenol & its derivatives

Info

Publication number
GB8729738D0
GB8729738D0 GB878729738A GB8729738A GB8729738D0 GB 8729738 D0 GB8729738 D0 GB 8729738D0 GB 878729738 A GB878729738 A GB 878729738A GB 8729738 A GB8729738 A GB 8729738A GB 8729738 D0 GB8729738 D0 GB 8729738D0
Authority
GB
United Kingdom
Prior art keywords
bromination
phenol
derivatives
selective para
para
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.)
Granted
Application number
GB878729738A
Other versions
GB2200112B (en
GB2200112A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bromine Compounds Ltd
Original Assignee
Bromine Compounds Ltd
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 Bromine Compounds Ltd filed Critical Bromine Compounds Ltd
Publication of GB8729738D0 publication Critical patent/GB8729738D0/en
Publication of GB2200112A publication Critical patent/GB2200112A/en
Application granted granted Critical
Publication of GB2200112B publication Critical patent/GB2200112B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C41/00—Preparation of ethers; Preparation of compounds having groups, groups or groups
    • C07C41/01—Preparation of ethers
    • C07C41/18—Preparation of ethers by reactions not forming ether-oxygen bonds
    • C07C41/22—Preparation of ethers by reactions not forming ether-oxygen bonds by introduction of halogens; by substitution of halogen atoms by other halogen atoms
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
    • C07C37/62—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by introduction of halogen; by substitution of halogen atoms by other halogen atoms
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D317/00—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms
    • C07D317/08—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3
    • C07D317/44—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 ortho- or peri-condensed with carbocyclic rings or ring systems
    • C07D317/46—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 ortho- or peri-condensed with carbocyclic rings or ring systems condensed with one six-membered ring
    • C07D317/48—Methylenedioxybenzenes or hydrogenated methylenedioxybenzenes, unsubstituted on the hetero ring
    • C07D317/62—Methylenedioxybenzenes or hydrogenated methylenedioxybenzenes, unsubstituted on the hetero ring with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to atoms of the carbocyclic ring

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
GB8729738A 1986-12-23 1987-12-21 Process for the selective para-bromination of phenol and its derivatives Expired - Fee Related GB2200112B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IL8107986A IL81079A (en) 1986-12-23 1986-12-23 Process for the selective para-bromination of phenol and its derivatives

Publications (3)

Publication Number Publication Date
GB8729738D0 true GB8729738D0 (en) 1988-02-03
GB2200112A GB2200112A (en) 1988-07-27
GB2200112B GB2200112B (en) 1991-06-05

Family

ID=11057389

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8729738A Expired - Fee Related GB2200112B (en) 1986-12-23 1987-12-21 Process for the selective para-bromination of phenol and its derivatives

Country Status (5)

Country Link
JP (1) JPS63215643A (en)
DE (1) DE3742515A1 (en)
FR (1) FR2613712B1 (en)
GB (1) GB2200112B (en)
IL (1) IL81079A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114200050A (en) * 2021-12-09 2022-03-18 湖北省医药工业研究院有限公司 HPLC (high Performance liquid chromatography) detection method for content of related substances in p-bromoanisole

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4133157A1 (en) * 1991-10-07 1993-04-08 Bayer Ag DERIVATIVES SUBSTITUTED IN 4-POSITION OF 2,2-DIHALOGENBENZO (1,3) DIOXOLS, METHOD FOR THE PRODUCTION THEREOF AND THEIR USE
DE19531408A1 (en) * 1995-08-26 1997-02-27 Hoechst Ag Process for the preparation of (4-bromophenyl) alkyl ethers
US5817888A (en) * 1997-06-09 1998-10-06 Albemarle Corporation Bromination process
US7053251B2 (en) * 2003-08-28 2006-05-30 General Electric Company Bromination of hydroxyaromatic compounds
JP2008069087A (en) * 2006-09-12 2008-03-27 Idemitsu Kosan Co Ltd Method for producing halogen-substituted aromatic compound, halogen-substituted aromatic compound, halogen-non-substituted aromatic compound, organic el light-emitting element
CN103387484B (en) * 2013-07-23 2015-03-25 山东科源化工有限公司 Preparation method of 2-chloro-4-bromophonel with high purity

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB325115A (en) * 1929-02-19 1930-02-13 Rhone Poulenc Sa Process for the manufacture of dihalogenoethyl esters
DE2005259C3 (en) * 1970-02-05 1974-11-07 Chemische Fabrik Kalk Gmbh, 5000 Koeln Process for the preparation of p-bromophenol
IL67117A (en) * 1982-10-29 1985-11-29 Braverman Samuel Process for the selective preparation of parabromophenol and its derivatives

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114200050A (en) * 2021-12-09 2022-03-18 湖北省医药工业研究院有限公司 HPLC (high Performance liquid chromatography) detection method for content of related substances in p-bromoanisole
CN114200050B (en) * 2021-12-09 2024-05-03 湖北省医药工业研究院有限公司 HPLC detection method for content of related substances in p-bromoanisole

Also Published As

Publication number Publication date
JPS63215643A (en) 1988-09-08
GB2200112B (en) 1991-06-05
FR2613712B1 (en) 1990-08-31
IL81079A (en) 1994-05-30
FR2613712A1 (en) 1988-10-14
DE3742515A1 (en) 1988-07-14
GB2200112A (en) 1988-07-27
IL81079A0 (en) 1987-03-31

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19931221