Lactate Production Process
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United States of America Patent
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Jun 10, 2013
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Jun 11, 2012
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Abstract
A process for producing alkyl R-lactate from an initial compound comprising substructure (I) is provided. The process involves producing an intermediate comprising R,R- and S,S-lactide from the initial compound, wherein the initial compound is subjected to stereoisomerisation conditions; and reacting at least a portion of the intermediate with an alkyl alcohol to produce a product comprising alkyl R-lactate, wherein alkyl R-lactate is produced in the presence of an enzyme. Also provided are processes for the production of R-lactic acid, oligomeric R-lactic acid, R,R-lactide, poly-R-lactic acid and stereocomplex lactic acid.
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