JPH049363A - Production of beta-mercaptopropionic acid - Google Patents

Production of beta-mercaptopropionic acid

Info

Publication number
JPH049363A
JPH049363A JP31479690A JP31479690A JPH049363A JP H049363 A JPH049363 A JP H049363A JP 31479690 A JP31479690 A JP 31479690A JP 31479690 A JP31479690 A JP 31479690A JP H049363 A JPH049363 A JP H049363A
Authority
JP
Japan
Prior art keywords
alkali metal
acid
metal hydroxide
salt
acidifying
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
Application number
JP31479690A
Other versions
JP2709650B2 (en
Inventor
Tetsuzo Tomioka
Original Assignee
Tetsuzo Tomioka
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority to JP10984290 priority Critical
Priority to JP2-109842 priority
Application filed by Tetsuzo Tomioka filed Critical Tetsuzo Tomioka
Priority to JP31479690A priority patent/JP2709650B2/en
Priority claimed from US07/790,369 external-priority patent/US5256818A/en
Publication of JPH049363A publication Critical patent/JPH049363A/en
Publication of JP2709650B2 publication Critical patent/JP2709650B2/en
Application granted granted Critical
Anticipated expiration legal-status Critical
Application status is Expired - Lifetime legal-status Critical

Links

Abstract

PURPOSE: To easily obtain the subject compound in high yield at a low cost by converting thiodipropionic acid to an alkali metal salt with an alkali metal hydroxide, reacting in a concentrated aqueous solution of an alkali metal sulfide under heating for a prescribed period and acidifying the reaction solution with a basic acid.
CONSTITUTION: The objective compound of formula III useful as a raw material for a resin for lens, a crosslinking agent for acrylate polymer, a hardener of epoxy resin, etc., can be produced by using thiodipropionic acid of formula I preferably obtained as a by-product of the reaction of sodium sulfide with acrylonitrile as a starting substance, converting the substance to an alkali metal salt of formula II with an alkali metal hydroxide, adding the salt to a concentrated aqueous solution of an alkali metal sulfide such as Na2S, reacting the components with each other by heating at 110-130°C for a prescribed period (1 to several hours) and acidifying the reaction solution with a basic acid such as sulfuric acid or hydrochloric acid, The use of the alkali metal hydroxide in excess is economically preferable because the consumption of expensive alkali metal sulfate can be decreased in compensation for the increase of the consumption of the inexpensive alkali metal hydroxide.
COPYRIGHT: (C)1992,JPO&Japio
JP31479690A 1990-04-24 1990-11-19 Preparation of β- mercaptopropionic acid Expired - Lifetime JP2709650B2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP10984290 1990-04-24
JP2-109842 1990-04-24
JP31479690A JP2709650B2 (en) 1990-04-24 1990-11-19 Preparation of β- mercaptopropionic acid

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP31479690A JP2709650B2 (en) 1990-04-24 1990-11-19 Preparation of β- mercaptopropionic acid
US07/790,369 US5256818A (en) 1990-11-19 1991-11-12 Method for making β-mercaptopropionic acid
FR9114071A FR2669330B1 (en) 1990-11-19 1991-11-15 Process for the preparation of betha-mercaptopropionic acid.

Publications (2)

Publication Number Publication Date
JPH049363A true JPH049363A (en) 1992-01-14
JP2709650B2 JP2709650B2 (en) 1998-02-04

Family

ID=26449559

Family Applications (1)

Application Number Title Priority Date Filing Date
JP31479690A Expired - Lifetime JP2709650B2 (en) 1990-04-24 1990-11-19 Preparation of β- mercaptopropionic acid

Country Status (1)

Country Link
JP (1) JP2709650B2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5275002A (en) * 1992-01-22 1994-01-04 Aisin Newhard Co., Ltd. Pulse tube refrigerating system
WO2013076969A1 (en) 2011-11-21 2013-05-30 三井化学株式会社 METHOD FOR PRODUCING β-MERCAPTOCARBOXYLIC ACID
US9206119B2 (en) 2011-11-21 2015-12-08 Mitsui Chemicals Inc. Process for preparing β-mercaptocarboxylic acid

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5275002A (en) * 1992-01-22 1994-01-04 Aisin Newhard Co., Ltd. Pulse tube refrigerating system
WO2013076969A1 (en) 2011-11-21 2013-05-30 三井化学株式会社 METHOD FOR PRODUCING β-MERCAPTOCARBOXYLIC ACID
JPWO2013076969A1 (en) * 2011-11-21 2015-04-27 三井化学株式会社 Process for producing β-mercaptocarboxylic acid
US9133112B2 (en) 2011-11-21 2015-09-15 Mitsui Chemicals, Inc. Process for preparing β-mercaptocarboxylic acid
US9206119B2 (en) 2011-11-21 2015-12-08 Mitsui Chemicals Inc. Process for preparing β-mercaptocarboxylic acid

Also Published As

Publication number Publication date
JP2709650B2 (en) 1998-02-04

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