JPS562923A - Preparation of chlorinated toluene derivative - Google Patents
Preparation of chlorinated toluene derivativeInfo
- Publication number
- JPS562923A JPS562923A JP7756979A JP7756979A JPS562923A JP S562923 A JPS562923 A JP S562923A JP 7756979 A JP7756979 A JP 7756979A JP 7756979 A JP7756979 A JP 7756979A JP S562923 A JPS562923 A JP S562923A
- Authority
- JP
- Japan
- Prior art keywords
- chlorination
- chloride
- chlorinated
- formula
- toluene derivative
- 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
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
PURPOSE: To obtain the titled compound useful as an intermediate for the synthesis of an agricultural or industrial chemical in high yield and purity with a high selectivity in simplified steps only through simple distillation, by chlorinating p-toluenesulfonyl chloride while controlling the reaction temperature.
CONSTITUTION: p-Toluenesulfonyl chloride of formula I is chlorinated at 80W 120°C by blowing chlorine therein in the first step of nuclear chlorination to form a mono-nuclear chlorination product wherein the chlorine is introduced into a desired position in high yield. In case side-chain chlorination is necessary in the second stage, the chlorination at 120W140°C provides chlorobenzyl chloride, and further chlorination at 140W180°C gives chlorobenzal chloride. Thus, the chlorinated toluene derivative of formula II (m is an integer 1W3; n is 0, 1 or 2; m+n=3) can be obtained by controlling the chlorination conditions.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7756979A JPS562923A (en) | 1979-06-21 | 1979-06-21 | Preparation of chlorinated toluene derivative |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7756979A JPS562923A (en) | 1979-06-21 | 1979-06-21 | Preparation of chlorinated toluene derivative |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS562923A true JPS562923A (en) | 1981-01-13 |
JPS6256848B2 JPS6256848B2 (en) | 1987-11-27 |
Family
ID=13637640
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7756979A Granted JPS562923A (en) | 1979-06-21 | 1979-06-21 | Preparation of chlorinated toluene derivative |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS562923A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6215503A (en) * | 1985-07-13 | 1987-01-23 | Fujikura Ltd | Zero-dispersion single-mode optical fiber |
US4715679A (en) * | 1981-12-07 | 1987-12-29 | Corning Glass Works | Low dispersion, low-loss single-mode optical waveguide |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63269708A (en) * | 1987-04-27 | 1988-11-08 | Mazda Motor Corp | Suspension for vehicle |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3952065A (en) * | 1973-06-25 | 1976-04-20 | Vyskumny Ustav Agrochemickej Technologie | Method of producing chlorobenzenes from benzene sulphonyl chlorides |
-
1979
- 1979-06-21 JP JP7756979A patent/JPS562923A/en active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3952065A (en) * | 1973-06-25 | 1976-04-20 | Vyskumny Ustav Agrochemickej Technologie | Method of producing chlorobenzenes from benzene sulphonyl chlorides |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4715679A (en) * | 1981-12-07 | 1987-12-29 | Corning Glass Works | Low dispersion, low-loss single-mode optical waveguide |
JPS6215503A (en) * | 1985-07-13 | 1987-01-23 | Fujikura Ltd | Zero-dispersion single-mode optical fiber |
Also Published As
Publication number | Publication date |
---|---|
JPS6256848B2 (en) | 1987-11-27 |
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