Process for the preparation of dialkyl malonates
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United States of America Patent
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Jun 25, 1991
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N/A
app pub date -
May 18, 1989
filing date -
May 19, 1988
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Expired
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Abstract
A process for the preparation of alkyl malonates by carbonylation of chloroacetate in the presence of a carbonyl source, a carbonylation catalyst, such as chromium carbonyl and an aliphatic alcohol, this reaction being carried out in a two-phase liquid medium. A process for recycling the catalyst also forms part of the invention.
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