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Organic Compounds -- Part Of The Class 532-570 Series > Azo Compounds Containing Formaldehyde Reaction Product As The Coupling Component > Carbohydrates Or Derivatives > Oxygen Containing Hetero Ring (e.g., Dioxirane, Etc.) > Lactones (i.e., -c(=x)o-, Wherein X Is Chalcogen, Is Part Of The Hetero Ring) > The Lactone Ring Is Five-membered > Additional Chalcogen Bonded Directly To The Lactone Ring Additional Chalcogen Bonded Directly To The Lactone RingAdditional Chalcogen Bonded Directly To The Lactone Ring patent applications listed are from June 2005 to current and include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.05/11/06 - 20060100448 - 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 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. ... 05/11/06 - 20060100447 - Process for the production of y-methyl-a-methylene-y-butyrolactone from reaction of levulinic acid and hydrogen with recycle of unreacted levulinic acid followed by reaction of crude y-valerolactone and formaldehyde, both reactions being carried out in th Process for the production of γ-methyl-α-methylene-γ-butyrolactone from reaction of levulinic acid and hydrogen with recycle of unreacted levulinic acid and reaction of crude γ-valerolactone and formaldehyde, both reactions being carried out in the supercritical or near-critical fluid phase. ... 01/05/06 - 20060004211 - Preparation of 4-substituted-2-buten-4-olides from mucohalic acids Methods and materials for preparing 4-substituted-2-buten-4-olides are disclosed. The method includes reacting a mucohalic acid with a silyl enol ether or a ketene silyl acetal in the presence of a Lewis acid. ... ### FreshPatents.com Support |