Alanyl glutamine compound and preparation method thereof
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United States of America Patent
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May 5, 2015
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Feb 5, 2015
app pub date -
Dec 27, 2011
filing date -
Nov 28, 2011
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Abstract
A process for preparing a pure alanylglutamine comprises the steps of: 1) reacting N-(α-chloro)-propionyl-glutamine and hydrazine compound to obtain an alanylglutamine crude product; 2) mixing anhydrous methanol and the alanylglutamine crude product to provide a filter cake; 3) dissolving the filter cake in water, heating, adding ethanol, and cooling to yield the pure alanylglutamine.
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