Method for preparing an amino acid from 2 aminobutyrolactone
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United States of America Patent
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Oct 7, 2014
Grant Date -
Jul 18, 2013
app pub date -
Oct 4, 2011
filing date -
Oct 5, 2010
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Abstract
The invention relates to a method for preparing an amino acid, or its salts, from 2-aminobutyrolactone (2ABL), said amino acid fitting the formula I, XCH2CH2CHNH2COOH, wherein X is such that X− represents a nucleophilic ion, according to which N-carboxylation of 2-aminobutyrolactone (2ABL) is achieved with carbon dioxide, and the thereby obtained 2ABL carbamate is reactive with an XH reagent or its salts.
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