Hydrogenated 5-carbon compound and method of making

Elliott, D C; Frye, J G

Hydrogenated 5-carbon compound and method of making

Patent · Mon Mar 15 23:00:00 EST 1999

OSTI ID:335448

Elliott, D C; Frye, J G

The present invention is based upon the surprising discovery that a 5-carbon compound selected from the group of 4-oxopentanoic acid, at least one lactone of 4-oxopentanoic acid, and combinations thereof, may be hydrogenated with a bimetallic catalyst of a noble metal in combination with a second metal and preserve the pendant methyl group. It was further unexpectedly discovered that the same conditions of bimetallic catalyst in the presence of hydrogen are useful for catalyzing the different intermediate reactions, for example, angelicalactone to gamma-valerolactone and gamma-valerolactone to 1,4-pentanediol. Finally, it was surprising that levulinic acid could be converted to 2-methyltetrahydrofuran with heating in the presence of the bimetallic catalyst and hydrogen in a single process vessel. The method of the present invention unexpectedly produced a fuel or fuel component having 2-methyltetrahydrofuran either in a yield greater than 4.5 mol % or in combination with alcohols. 8 figs.

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Research Organization:: Battelle Memorial Institute

Sponsoring Organization:: USDOE, Washington, DC (United States)

DOE Contract Number:: AC06-76RL01830

Assignee:: Battelle Memorial Inst., Richland, WA (United States)

Patent Number(s):: US 5,883,266/A/

OSTI ID:: 335448

Country of Publication:: United States

Language:: English

References (19)

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