JPS53127428A - Preparation of 2,4,2',4',-tetrabromo-diphenyl ether - Google Patents
Preparation of 2,4,2',4',-tetrabromo-diphenyl etherInfo
- 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
Links
Classifications
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/52—Improvements 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
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)
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5037735A (en) * | 1973-07-13 | 1975-04-08 |
-
1977
- 1977-04-12 JP JP52040971A patent/JPS5840933B2/en not_active Expired
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5037735A (en) * | 1973-07-13 | 1975-04-08 |
Cited By (2)
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 |
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