JPS5616462A - Production of aminoaryl-beta-sulfatoethylsulfon - Google Patents
Production of aminoaryl-beta-sulfatoethylsulfonInfo
- Publication number
- JPS5616462A JPS5616462A JP9220179A JP9220179A JPS5616462A JP S5616462 A JPS5616462 A JP S5616462A JP 9220179 A JP9220179 A JP 9220179A JP 9220179 A JP9220179 A JP 9220179A JP S5616462 A JPS5616462 A JP S5616462A
- Authority
- JP
- Japan
- Prior art keywords
- water
- aminoaryl
- sulfuric acid
- acetic acid
- reaction
- 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: The reaction of aminoaryl-β-hydroxyethylsulfon with sulfuric acid is effected by distilling off water and acetic acid, by-products, azeotropically to produce high-purity titled compound used as a dye intermediate in high yield with a small amount of sulfuric acid consumption.
CONSTITUTION: The reaction between aminoaryl-β-hydroxyethylsulfone acetylaminoaryl-β-hydroxyethylsulfone and sulfuric acid is effected under azeotropic distillation of water or water and acetic acid formed as by-products at normal or reduced pressure to produce aminoaryl-β-sulfatoethylsulfone. Since water and acetic acid is distilled off to the outside of the reaction system, the concentration of sulfuric acid is kept at a desired level. The starting material may content water and the pollution caused by waste water is reduced.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (11)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9220179A JPS5936980B2 (en) | 1979-07-19 | 1979-07-19 | Method for producing aminoaryl-β-sulfatoethylsulfone |
IN801/CAL/80A IN152895B (en) | 1979-07-19 | 1980-07-11 | |
DE19803026808 DE3026808A1 (en) | 1979-07-19 | 1980-07-15 | METHOD FOR PRODUCING SULFUR SEMICONDESTERS |
US06/169,497 US4346046A (en) | 1979-07-19 | 1980-07-16 | Process for producing aminoaryl-β-sulfatoethylsulfone |
IT49281/80A IT1146917B (en) | 1979-07-19 | 1980-07-18 | PROCESS FOR THE PRODUCTION OF AMINOARYL-BETA-SULPHATEETHYL-SULPHONE |
GB8023656A GB2057430B (en) | 1979-07-19 | 1980-07-18 | Process for producing aminoaryl-sulphatoethylsulphone |
FR8015964A FR2461698A1 (en) | 1979-07-19 | 1980-07-18 | PROCESS FOR PREPARING AMINOARYL-B-SULFATOETHYLSULFONES |
CH556880A CH643824A5 (en) | 1979-07-19 | 1980-07-21 | METHOD FOR PRODUCING SULFUR SEMICONDESTERS. |
US06/388,956 US4482501A (en) | 1979-07-19 | 1982-06-16 | Process for producing aminoaryl-β-sulfatoethylsulfone |
GB08309723A GB2125395B (en) | 1979-07-19 | 1983-04-11 | Process for producing aminoaryl-b-sulfatoethylsulfone |
IN977/CAL/83A IN156281B (en) | 1979-07-19 | 1983-08-04 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9220179A JPS5936980B2 (en) | 1979-07-19 | 1979-07-19 | Method for producing aminoaryl-β-sulfatoethylsulfone |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5616462A true JPS5616462A (en) | 1981-02-17 |
JPS5936980B2 JPS5936980B2 (en) | 1984-09-06 |
Family
ID=14047824
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9220179A Expired JPS5936980B2 (en) | 1979-07-19 | 1979-07-19 | Method for producing aminoaryl-β-sulfatoethylsulfone |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5936980B2 (en) |
-
1979
- 1979-07-19 JP JP9220179A patent/JPS5936980B2/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS5936980B2 (en) | 1984-09-06 |
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