Production of 5-methyl-dihydro-furan-2-one from levulinic...

Details Production of 5-methyl-dihydro-furan-2-one from levulinic... Production of 5-methyl-dihydro-furan-2-one from levulinic...

2005-09-20

2005-09-20

Dentz, Bernard (Department: 1625)

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

Reexamination Certificate

active

06946563

ABSTRACT:
This invention relates to a process for producing 5-methyl-dihydro-furan-2-one from levulinic acid in presence of a supercritical fluid, and in presence of optionally-supported metal catalyst.

REFERENCES:
patent: 2786852 (1957-03-01), Dunlop et al.
patent: 4420622 (1983-12-01), van de Moesdijk et al.
patent: 5883266 (1999-03-01), Elliott et al.
patent: 6617464 (2003-09-01), Manzer
K. W. Hutchenson, Organic Chemical Reactions and Catalysis in Supercritical Fluid Media, Supercritical Fluid Technology in Materials Science and Engineering, Y. P. Sun (ed.) Marcel Dekker: New York, 2002, pp. 87-187.
PCT/US2004/01968, International Search Report Dated Dec. 17, 2004.

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