GB991067A - Method of making bromine derivatives of aromatic compounds - Google Patents

Method of making bromine derivatives of aromatic compounds

Info

Publication number
GB991067A
GB991067A GB3796063A GB3796063A GB991067A GB 991067 A GB991067 A GB 991067A GB 3796063 A GB3796063 A GB 3796063A GB 3796063 A GB3796063 A GB 3796063A GB 991067 A GB991067 A GB 991067A
Authority
GB
United Kingdom
Prior art keywords
bromine
bromination
mixture
chlorine
reaction mixture
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.)
Expired
Application number
GB3796063A
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.)
Chemische Fabrik Kalk GmbH
Original Assignee
Chemische Fabrik Kalk GmbH
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
Priority to DEC28110A priority Critical patent/DE1193510B/en
Priority to DEC29807A priority patent/DE1197468B/en
Application filed by Chemische Fabrik Kalk GmbH filed Critical Chemische Fabrik Kalk GmbH
Publication of GB991067A publication Critical patent/GB991067A/en
Application status is Expired legal-status Critical

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C41/00Preparation of ethers; Preparation of compounds having groups, groups or groups
    • C07C41/01Preparation of ethers
    • C07C41/18Preparation of ethers by reactions not forming ether-oxygen bonds
    • C07C41/22Preparation of ethers by reactions not forming ether-oxygen bonds by introduction of halogens; by substitution of halogen atoms by other halogen atoms
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C17/00Preparation of halogenated hydrocarbons
    • C07C17/093Preparation of halogenated hydrocarbons by replacement by halogens
    • C07C17/10Preparation of halogenated hydrocarbons by replacement by halogens of hydrogen atoms
    • C07C17/12Preparation of halogenated hydrocarbons by replacement by halogens of hydrogen atoms in the ring of aromatic compounds

Abstract

Aromatic compounds having a plurality of non-condensed benzene nucleii in the molecule are converted into derivatives containing at least 4 bromine atoms in the molecule by treatment with bromine while at least partly dissolved in an olefine dihalide solvent comprising ethylene, propylene, butylene or isobutylene dichloride or dibromide or chlorobromide or a mixture thereof; the bromination is effected in the presence of a halogenating catalyst and, after the bromination, an addition of ethylene, propylene, butylene or isobutylene or a mixture thereof is made to the reaction mixture in an amount at least equimolar with the excess of bromine in the mixture. Specified halogenating catalysts are iron or aluminium or salts thereof and (or) iodine. The hydrogen bromide formed in the bromination may be oxidized to bromine by means of chlorine, which may be added in stages to the reaction mixture or mixed with the bromine or introduced into the reaction vessel with the bromine, but in any event a slight excess of bromine over chlorine is maintained until the end of the bromination, when sufficient chlorine may be added to make the molar ratio of chlorine to bromine about 1. The reaction mixture may contain 0.005-1% by weight of water, and the reaction may be effected at 10-60 DEG C. The products are useful for flame-proofing polyolefines and other plastics. Examples are given of the bromination of diphenyl ether to yield a pentabromodiphenyl ether, and reference is made also to the bromination of diphenyl and of di-, tri- and tetraphenylmethane.
GB3796063A 1962-10-06 1963-09-26 Method of making bromine derivatives of aromatic compounds Expired GB991067A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DEC28110A DE1193510B (en) 1962-10-06 1962-10-06 A process for the preparation of bromo-derivatives of diphenyl, diphenyl ether, Diphenylphenylaethers or di-, tri- or Tetraphenylmethans with 4 or more bromine atoms per Molkuel
DEC29807A DE1197468B (en) 1962-10-06 1963-04-30 A process for the preparation of bromo derivatives of diphenyl, diphenyl ether, or di-, tri- or Tetraphenylmethans with 4 or more bromine atoms per molecule

Publications (1)

Publication Number Publication Date
GB991067A true GB991067A (en) 1965-05-05

Family

ID=25969585

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3796063A Expired GB991067A (en) 1962-10-06 1963-09-26 Method of making bromine derivatives of aromatic compounds

Country Status (4)

Country Link
BE (1) BE638269A (en)
DE (3) DE1193510B (en)
GB (1) GB991067A (en)
NL (2) NL122797C (en)

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2050455A1 (en) * 1969-07-02 1971-04-02 Kalk Chemische Fabrik Gmbh Hexabromobenzene from benzene and bromine
US3711563A (en) * 1970-06-29 1973-01-16 Hooker Chemical Corp Production of halogenated halocyclopentadiene adducts of styrene
US3711562A (en) * 1970-06-29 1973-01-16 Hooker Chemical Corp Process for preparing brominated styrene halocyclopentadiene compounds
US3714274A (en) * 1970-06-29 1973-01-30 Hooker Chemical Corp Process for preparing bromophenyl norbornenes
US5003117A (en) * 1989-08-03 1991-03-26 Ethyl Corporation Process for decabromodiphenyl methane
US5055235A (en) * 1990-12-12 1991-10-08 Ethyl Corporation Bromination process
US5124496A (en) * 1990-11-01 1992-06-23 Ethyl Corporation Process for decabromodiphenylalkane predominant product
US5136107A (en) * 1990-06-04 1992-08-04 Ethyl Corporation Process for halogenating aromatic compounds
US5324874A (en) * 1992-05-26 1994-06-28 Ethyl Corporation Process for a decarbromodiphenylethane predominate product having enhanced whiteness
US5401890A (en) * 1990-07-30 1995-03-28 Albemarle Corporation Process and apparatus for heat treating halogenated compounds
US6518468B1 (en) 1994-09-16 2003-02-11 Albemarle Corporation Bromination process
US6743825B1 (en) 2001-08-03 2004-06-01 Albemarle Corporation Poly(bromoaryl)alkane additives and methods for their preparation and use
US7776289B2 (en) 2001-12-21 2010-08-17 Chemtura Corporation Method and apparatus for producing decabromodiphenyl alkanes

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3326343C2 (en) * 1983-07-21 1987-05-07 Toyo Soda Manufacturing Co., Ltd., Shinnanyo, Yamaguchi, Jp
FR2584395B1 (en) * 1985-07-03 1987-09-25 Atochem Method for preparation of DecaBDE
FR2584396B1 (en) * 1985-07-03 1987-09-25 Atochem Process for the preparation of derivatives of brominated diphenyl ether
JP2001511409A (en) * 1997-08-01 2001-08-14 アドヴァンスド バイオニクス コーポレイション Implantable apparatus having a recharging and feed arrangement of the improved battery
US6308101B1 (en) 1998-07-31 2001-10-23 Advanced Bionics Corporation Fully implantable cochlear implant system

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1050742B (en) *
GB491792A (en) * 1937-03-04 1938-09-05 William Henry Moss Improvements in or relating to compositions of matter containing film-forming polymeric esters and ethers
FR1270333A (en) * 1960-10-13 1961-08-25 Bayer Ag A method of brominated phenol of preparation on the noyan

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2050455A1 (en) * 1969-07-02 1971-04-02 Kalk Chemische Fabrik Gmbh Hexabromobenzene from benzene and bromine
US3711563A (en) * 1970-06-29 1973-01-16 Hooker Chemical Corp Production of halogenated halocyclopentadiene adducts of styrene
US3714274A (en) * 1970-06-29 1973-01-30 Hooker Chemical Corp Process for preparing bromophenyl norbornenes
US3711562A (en) * 1970-06-29 1973-01-16 Hooker Chemical Corp Process for preparing brominated styrene halocyclopentadiene compounds
US5003117A (en) * 1989-08-03 1991-03-26 Ethyl Corporation Process for decabromodiphenyl methane
US5136107A (en) * 1990-06-04 1992-08-04 Ethyl Corporation Process for halogenating aromatic compounds
US5401890A (en) * 1990-07-30 1995-03-28 Albemarle Corporation Process and apparatus for heat treating halogenated compounds
US5124496A (en) * 1990-11-01 1992-06-23 Ethyl Corporation Process for decabromodiphenylalkane predominant product
US5055235A (en) * 1990-12-12 1991-10-08 Ethyl Corporation Bromination process
US5324874A (en) * 1992-05-26 1994-06-28 Ethyl Corporation Process for a decarbromodiphenylethane predominate product having enhanced whiteness
US6518468B1 (en) 1994-09-16 2003-02-11 Albemarle Corporation Bromination process
US6603049B1 (en) 1994-09-16 2003-08-05 Albemarle Corporation Bromination process
US6768033B2 (en) 1994-09-16 2004-07-27 Albemarle Corporation Bromination process
US6958423B2 (en) 1994-09-16 2005-10-25 Albemarle Corporation Bromination process
US7179950B2 (en) 1994-09-16 2007-02-20 Albemarle Corporation Bromination process
US6743825B1 (en) 2001-08-03 2004-06-01 Albemarle Corporation Poly(bromoaryl)alkane additives and methods for their preparation and use
US7776289B2 (en) 2001-12-21 2010-08-17 Chemtura Corporation Method and apparatus for producing decabromodiphenyl alkanes

Also Published As

Publication number Publication date
DE1193510B (en) 1965-05-26
BE638269A (en)
NL298701A (en)
NL122797C (en)
DE1197468B (en) 1965-07-29
DE991067C (en)

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