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US 2013/0330779 A1Published application
Fermentation route for the production of levulinic acid, levulinate esters and valerolactone and derivatives thereof
AssigneeArzeda Corp.
InventorAlexandre Luc Zanghellini
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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.
Claims46
A method for producing a compound that is a C5 keto acid or ester, or a C5 hydroxy acid or ester, or cyclic derivative thereof, the method comprising:
- converting pyruvate to a C5 intermediate by aldol addition, and converting the C5 intermediate to said compound through chemical or enzymatic steps or a combination thereof.
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