GB1210780A - A method of preparing a bis(2 hydroxyethyl) ester of an alkali metal salt of 3,5-dicarboxy-benzene sulphuric acid - Google Patents

A method of preparing a bis(2 hydroxyethyl) ester of an alkali metal salt of 3,5-dicarboxy-benzene sulphuric acid

Info

Publication number
GB1210780A
GB1210780A GB5166769A GB5166769A GB1210780A GB 1210780 A GB1210780 A GB 1210780A GB 5166769 A GB5166769 A GB 5166769A GB 5166769 A GB5166769 A GB 5166769A GB 1210780 A GB1210780 A GB 1210780A
Authority
GB
United Kingdom
Prior art keywords
alkali metal
metal salt
bis
preparing
hydroxyethyl
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.)
Expired
Application number
GB5166769A
Inventor
Jaroslav Malek
Jiri Hradil
Vladimir Bazant
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Czech Academy of Sciences CAS
Original Assignee
Czech Academy of Sciences CAS
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
Application filed by Czech Academy of Sciences CAS filed Critical Czech Academy of Sciences CAS
Publication of GB1210780A publication Critical patent/GB1210780A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C303/00—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides
    • C07C303/32—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides of salts of sulfonic acids
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/68—Polyesters containing atoms other than carbon, hydrogen and oxygen
    • C08G63/688—Polyesters containing atoms other than carbon, hydrogen and oxygen containing sulfur
    • C08G63/6884—Polyesters containing atoms other than carbon, hydrogen and oxygen containing sulfur derived from polycarboxylic acids and polyhydroxy compounds

Abstract

1,210,780. 2-Hydroxyethyl ester of a carboxylic benzene sulphonic acid. CESKOSLOVENSKA AKADEMIE VED. 22 Oct., 1969 [8 Nov., 1968], No. 51667/69. Heading C2C. A process for preparing the bis(2 - hydroxyethyl ester) of an alkali metal salt of 3, 5- dicarboxybenzene sulphonic acid comprising treating an alkali metal salt of 3,5-dicarboxybenzene sulphonic acid with ethylene glycol, preferably in a molar ratio of 1: 12 to 1: 3. The reaction may be conducted in the presence of an inert gas, at the boiling point of ethylene glycol. Preferably a catalyst comprising a compound of zinc, tin, titanium, antimony or germanium which is soluble in the reaction mixture is also present.
GB5166769A 1968-11-08 1969-10-22 A method of preparing a bis(2 hydroxyethyl) ester of an alkali metal salt of 3,5-dicarboxy-benzene sulphuric acid Expired GB1210780A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CS763668 1968-11-08

Publications (1)

Publication Number Publication Date
GB1210780A true GB1210780A (en) 1970-10-28

Family

ID=5425858

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5166769A Expired GB1210780A (en) 1968-11-08 1969-10-22 A method of preparing a bis(2 hydroxyethyl) ester of an alkali metal salt of 3,5-dicarboxy-benzene sulphuric acid

Country Status (4)

Country Link
BE (1) BE740542A (en)
DE (1) DE1952735C3 (en)
FR (1) FR2041021A1 (en)
GB (1) GB1210780A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3936389A (en) * 1973-06-14 1976-02-03 Monsanto Company Bis glycol ester of sodium sulfo isophthalic acid from its dimethyl ester
WO2001028988A1 (en) * 1999-10-19 2001-04-26 E.I. Du Pont De Nemours And Company Process for the production of 5-sulfo isophthalate bis-glycolate ester metal salts and oxysulfonated polyesters made therefrom

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3936389A (en) * 1973-06-14 1976-02-03 Monsanto Company Bis glycol ester of sodium sulfo isophthalic acid from its dimethyl ester
WO2001028988A1 (en) * 1999-10-19 2001-04-26 E.I. Du Pont De Nemours And Company Process for the production of 5-sulfo isophthalate bis-glycolate ester metal salts and oxysulfonated polyesters made therefrom

Also Published As

Publication number Publication date
DE1952735C3 (en) 1974-01-24
DE1952735B2 (en) 1973-06-28
DE1952735A1 (en) 1970-07-16
BE740542A (en) 1970-04-01
FR2041021A1 (en) 1971-01-29

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee