SU1109392A1 - Process for preparing aromatic thiopropanesulfonic acids or their salts - Google Patents

Process for preparing aromatic thiopropanesulfonic acids or their salts Download PDF

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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
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SU
USSR - Soviet Union
Prior art keywords
acids
acid
aromatic
salts
thiopropanesulfonic
Prior art date
Application number
SU833557087A
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Russian (ru)
Inventor
Альбертас Альбертович Малинаускас
Сигита Прановна Йокубайтите
Вацловас Владович Мозолис
Original Assignee
Ордена Трудового Красного Знамени Институт Химии И Химической Технологии Ан Литсср
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Priority to SU833557087A priority Critical patent/SU1109392A1/en
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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

соwith

соwith

соwith

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Claims (2)

(5/) 1. СПОСОБ ПОЛУЧЕНИЯ АРОМАТИЧЕСКИХ ТИОПРОПАНСУЛЬФОКИСЛОТ ИЛИ ИХ(5 /) 1. METHOD FOR PRODUCING AROMATIC THIOPROPANESULPHIC ACIDS OR THEIR СОЛЕЙ общей формулы SALTS of the general formula S-(CH2)3- 50 3м где Х-S или NH;M=H или щелочной металл, взаимодействием ароматических тиолов с сульфопропйлирующим агентом, последующим переводом полученного соединения в случае необходимости в его соль при нагревании, отличающийс я тем, что, с целью упрощения и уменьшения токсичности процесса и расширения ассортимента ароматических тиопропансульфокислот, в качестве сульфопропилирующего агента используют 3-оксипропансульфокислоту и процесс проводят в среде галогенЕодородной кислоты при 100105°С.S- (CH 2 ) 3 - 50 3 m where X-S or NH; M = H or alkali metal, by the interaction of aromatic thiols with a sulfopropylating agent, followed by translation of the obtained compound, if necessary, into its salt by heating, characterized in that , in order to simplify and reduce the toxicity of the process and expand the assortment of aromatic thiopropanesulfonic acids, 3-hydroxypropanesulfonic acid is used as the sulfopropylating agent and the process is carried out in a medium of halogenated Hydrogen acid at 100105 ° С. 2. Способ по п.1, отличающийся тем, что' в качестве галогенводородной кислоты используют соляную или бромистоводородную кислоту либо их смеси.2. The method according to claim 1, characterized in that 'hydrochloric or hydrobromic acid or mixtures thereof are used as hydrohalic acid.
SU833557087A 1983-03-01 1983-03-01 Process for preparing aromatic thiopropanesulfonic acids or their salts SU1109392A1 (en)

Priority Applications (1)

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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

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SU1109392A1 true SU1109392A1 (en) 1984-08-23

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Cited By (1)

* Cited by examiner, † Cited by third party
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

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
1. Патент US № 2809973, кл. 260-306, опублик. 1956 (прототип), *

Cited By (1)

* Cited by examiner, † Cited by third party
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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