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US 9,523,105 B2Granted
Fermentation route for the production of levulinic acid, levulinate esters and valerolactone and derivatives thereof
AssigneeArzeda Corp.
InventorAlexandre Luc Zanghellini
Life of this patent
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Abstract
The invention provides processes for the conversion of pyruvate obtained from sugars or other carbon sources, to valuable C5 materials such as levulinic acid, levulinate esters, valerolactone, and derivatives thereof.
Claims28
A method for producing 2,4-dihydroxy-pentanoic acid, the method comprising:
- converting pyruvate to 4 hydroxy-2-oxo-pentanoic acid by aldol addition, and converting 4 hydroxy-2-oxo-pentanoic acid to 2,4-dihydroxy-pentanoic acid through chemical or enzymatic reduction.
Dependencies are inferred from the claim text.