JPS53127428A - Preparation of 2,4,2',4',-tetrabromo-diphenyl ether - Google Patents

Preparation of 2,4,2',4',-tetrabromo-diphenyl ether

Info

Publication number
JPS53127428A
JPS53127428A JP4097177A JP4097177A JPS53127428A JP S53127428 A JPS53127428 A JP S53127428A JP 4097177 A JP4097177 A JP 4097177A JP 4097177 A JP4097177 A JP 4097177A JP S53127428 A JPS53127428 A JP S53127428A
Authority
JP
Japan
Prior art keywords
diphenyl ether
tetrabromo
preparation
absence
solvent
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
JP4097177A
Other languages
Japanese (ja)
Other versions
JPS5840933B2 (en
Inventor
Yoshiaki Noguchi
Eiichi Noda
Katsuyoshi Sasagawa
Kazunori Tanabe
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.)
Mitsui Toatsu Chemicals Inc
Original Assignee
Mitsui Toatsu Chemicals Inc
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 Mitsui Toatsu Chemicals Inc filed Critical Mitsui Toatsu Chemicals Inc
Priority to JP52040971A priority Critical patent/JPS5840933B2/en
Publication of JPS53127428A publication Critical patent/JPS53127428A/en
Publication of JPS5840933B2 publication Critical patent/JPS5840933B2/en
Expired legal-status Critical Current

Links

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/50Improvements relating to the production of bulk chemicals
    • Y02P20/52Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts

Landscapes

  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)

Abstract

PURPOSE: To obtain high-purity title compound in high selectivity by brominating diphenyl ether in excess bromine using as solvent in the absence or presence of specific catalysts at a temperature below 35°C.
COPYRIGHT: (C)1978,JPO&Japio
JP52040971A 1977-04-12 1977-04-12 Method for producing 2,4,2',4'-tetrabromidiphenyl ether Expired JPS5840933B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP52040971A JPS5840933B2 (en) 1977-04-12 1977-04-12 Method for producing 2,4,2',4'-tetrabromidiphenyl ether

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP52040971A JPS5840933B2 (en) 1977-04-12 1977-04-12 Method for producing 2,4,2',4'-tetrabromidiphenyl ether

Publications (2)

Publication Number Publication Date
JPS53127428A true JPS53127428A (en) 1978-11-07
JPS5840933B2 JPS5840933B2 (en) 1983-09-08

Family

ID=12595333

Family Applications (1)

Application Number Title Priority Date Filing Date
JP52040971A Expired JPS5840933B2 (en) 1977-04-12 1977-04-12 Method for producing 2,4,2',4'-tetrabromidiphenyl ether

Country Status (1)

Country Link
JP (1) JPS5840933B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0384043A2 (en) * 1989-02-21 1990-08-29 The Dow Chemical Company Methods for the preparation of brominated intermediates

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5037735A (en) * 1973-07-13 1975-04-08

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5037735A (en) * 1973-07-13 1975-04-08

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0384043A2 (en) * 1989-02-21 1990-08-29 The Dow Chemical Company Methods for the preparation of brominated intermediates
EP0384043A3 (en) * 1989-02-21 1991-08-07 The Dow Chemical Company Methods for the preparation of brominated intermediates

Also Published As

Publication number Publication date
JPS5840933B2 (en) 1983-09-08

Similar Documents

Publication Publication Date Title
JPS53116332A (en) Preparation of hyghly pure decaboromodiphenylether
JPS53116334A (en) Preparation of decabromodiphenylether containing no impurities
JPS5439032A (en) Oxydation of phenol
JPS53127428A (en) Preparation of 2,4,2',4',-tetrabromo-diphenyl ether
JPS52285A (en) Preparation of n1 *22tetrahydrofuryl**55fluorouracil
JPS5422347A (en) Preparation of p,p'-diphenol
JPS549247A (en) Preparation of menthone
JPS53112822A (en) Preparation of hexabromodiphenyl ether
JPS52133914A (en) Preparation of acetaldehyde
JPS53135912A (en) Preparation of 3,7-dimethyl-2,6-octadienylamine derivatives
JPS5422306A (en) Preparation of glycols
JPS5315351A (en) Preparation of copper salt of 2-hydroxy-3-halogeno-1,4-naphthoquinone
JPS5371006A (en) Purification of hexafluoro-2-propanone
JPS53141229A (en) Preparation of hexabromodiphenyl ethers
JPS5312830A (en) Preparation of dinitrodiphenyl ether
JPS52153923A (en) Preparation of 2-amino-4-alkoxyphenols
JPS5398933A (en) Allylation of quinones
JPS53116331A (en) Preparaton of hexabromodiphenyl ethers
JPS5424843A (en) Preparation of substituted arylpropionaldehyde
JPS5331631A (en) Preparation of alkoxyaromatic hydrocarbons
JPS5337627A (en) Preparation of p-t-butylphenol of high purity
JPS52136183A (en) Recovery of piperazine
JPS5379847A (en) Preparation of phenol type trimers
JPS5373528A (en) Preparation of halogenated aromatic primary amine
JPS5398943A (en) Preparation of 2,3-dichloro-1,4-naphthoquinone