METHOD FOR PRODUCING CYANOACETIC ACID, METHOD FOR PRODUCING CYANOACETIC ACID DERIVATIVE AND METHOD FOR PRODUCING METAL CONTAINING COMPOUND
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United States of America Patent
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Issued Date -
Sep 26, 2013
app pub date -
Mar 15, 2013
filing date -
Mar 26, 2012
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Abstract
Provided is a method for producing cyanoacetic acid in a hydrolysis reaction of a predetermined cyanoacetate in the presence of an acid catalyst. Further, are provided methods for producing a cyanoacetic acid derivative and a metal containing compound by using the produced cyanoacetic acid as a staring material. Herein, the method for producing cyanoacetic acid enables the content of a malonic acid byproduct generated in the hydrolysis reaction to be greatly lowered, allowing the produced cyanoacetic acid to be used as a starting material without any purification treatments. Those advantageous effects result in the great improvement in the purity and yields of the cyanoacetic acid derivative and the metal containing compound produced by said cyanoacetic acid. Accordingly, the above mentioned methods make it possible to produce cyanoacetic acid, the cyanoacetic acid derivative and the metal containing compound, as excellent in the productivity and economical efficiency.
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