Process for the preparation of the anhydride of N-formyl-L-aspartic acid
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United States of America Patent
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Jul 2, 1985
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N/A
app pub date -
Jul 18, 1983
filing date -
Aug 6, 1982
priority date (Note) -
Expired
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Abstract
A process for the preparation of the anhydride of N-formyl-L-aspartic acid by reacting L-aspartic acid with nearly stoichiometric amounts of formic acid and acetic anhydride, under controlled conditions of temperature, reaction and addition times. The product is a known intermediate in the synthesis of .alpha.-L-aspartyl-L-phenylalanine methyl ester, a known sweetening agent.
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