SU1109392A1 - Process for preparing aromatic thiopropanesulfonic acids or their salts - Google Patents
Process for preparing aromatic thiopropanesulfonic acids or their salts Download PDFInfo
- Publication number
- SU1109392A1 SU1109392A1 SU833557087A SU3557087A SU1109392A1 SU 1109392 A1 SU1109392 A1 SU 1109392A1 SU 833557087 A SU833557087 A SU 833557087A SU 3557087 A SU3557087 A SU 3557087A SU 1109392 A1 SU1109392 A1 SU 1109392A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- acids
- acid
- aromatic
- salts
- thiopropanesulfonic
- Prior art date
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- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
1. СПОСОБ ПОЛУЧЕНИЯ АРОМАТИЧЕСКИХ ТИОПРОПАНСУЛЬФОКИСЛОТ ИЛИ ИХ СОЛЕЙ общей формулы (CHgls-SOsM где или или щелочной металл. взаимодействием ароматических тиолов с сульфопропйлируюир1м агентом, послеДУЮ1ЦИМ переводом полученного соединени в случае необходимости в его соль при нагревании, отличаю щийс тем, что, с целью упрощени и уменьшени токсичности процесса и расширени ассортимента ароматических тиопропансульфокислот, в качестве сульфопропилирующего агента используют 3-оксипропансульфокислоту и процесс провод т в среде галогенЕодородной кислоты при 100105 С . 2. Способ по п.1, отличаю- g щ и и с тем, что в качестве гало (Л генводородной кислоты используют сол ную или бромистоводородную кислоту либо их смеси.1. METHOD FOR OBTAINING AROMATIC TIOPROPANSULPHILE ACIDS OR THEIR SALTS OF GENERAL FORMULA and reducing the toxicity of the process and expanding the range of aromatic thiopropane sulfonic acids, 3-hydroxypropane sulfonic acid is used as the sulfopropylating agent and the process is carried out in a medium of gal genEodorodnoy acid at 100105 C. 2. The method of claim 1, differing g and u and so that in use hydrochloric or hydrobromic acid or mixtures thereof as halo (A genvodorodnoy acid.
Description
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Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU833557087A SU1109392A1 (en) | 1983-03-01 | 1983-03-01 | Process for preparing aromatic thiopropanesulfonic acids or their salts |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU833557087A SU1109392A1 (en) | 1983-03-01 | 1983-03-01 | Process for preparing aromatic thiopropanesulfonic acids or their salts |
Publications (1)
Publication Number | Publication Date |
---|---|
SU1109392A1 true SU1109392A1 (en) | 1984-08-23 |
Family
ID=21051246
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU833557087A SU1109392A1 (en) | 1983-03-01 | 1983-03-01 | Process for preparing aromatic thiopropanesulfonic acids or their salts |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU1109392A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1994015600A1 (en) * | 1993-01-07 | 1994-07-21 | Rhone-Poulenc Rorer S.A. | Application of riluzole as a radiorestorer |
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1983
- 1983-03-01 SU SU833557087A patent/SU1109392A1/en active
Non-Patent Citations (1)
Title |
---|
1. Патент US № 2809973, кл. 260-306, опублик. 1956 (прототип), * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1994015600A1 (en) * | 1993-01-07 | 1994-07-21 | Rhone-Poulenc Rorer S.A. | Application of riluzole as a radiorestorer |
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