METHOD FOR PRODUCING ETHOXYSUCCINIC ACID Russian patent published in 2018 - IPC C07C59/305 C07C51/09 C07C51/48 

Abstract RU 2668548 C1

FIELD: chemistry.

SUBSTANCE: invention relates to the chemical industry, in particular to a process for the preparation of ethoxysuccinic acid. Proposed method involves the preparation of ethoxysuccinic acid by treatment of maleic anhydride with ethyl alcohol in the presence of aluminum ethylate in an ethyl alcohol or xylene medium. Resulting aluminum salt of ethoxysuccinic acid ethyl ester is hydrolyzed according to a known scheme. Desired product is isolated by extraction with hot 1,2-dichloroethane.

EFFECT: method for the preparation of ethoxysuccinic acid is proposed.

1 cl, 4 ex

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RU 2 668 548 C1

Authors

Kalashnikov Aleksandr Ivanovich

Sysolyatin Sergej Viktorovich

Sonina Ekaterina Georgievna

Dates

2018-10-02Published

2018-08-02Filed