Process for the production of Y-methyl-A-methylene-Y-butyrolactone from reaction of levulinic acid and hydrogen in the liquid phase followed by reaction of crude-Y-valerolactone and formaldehyde

摘要

An integrated two-step process for the production of gamma-methyl-alpha-methylene-gamma-butyrolactone from reaction of levulinic acid and hydrogen in the liquid phase to produce a crude GVL-containing product, followed by reaction of the crude GVL-containing product and formaldehyde in the supercritical or near-critical fluid phase.