Method of hydrogenolysis of sugar alcohols
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United States of America Patent
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Mar 24, 2015
Grant Date -
Feb 2, 2012
app pub date -
Jan 27, 2010
filing date -
Apr 16, 2009
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Abstract
The method for hydrogenolysis of sugar or sugar alcohols comprises the steps of: mixing in the absence of any phosphine a suspension of a supported osmium catalyst, water, a sugar or sugar alcohol, and a base; pressurizing the suspension with hydrogen to a range of 30 to 90 bar at room temperature; heating the suspension to a temperature in the range of 180° C. to 250° C.; and mixing the suspension for an amount of time ranging from 1 to 6 hours.
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