Decarbonylation and dehydrogenation of carbohydrates

Patent · Tue Jan 01 00:00:00 EST 1991

OSTI ID:875272

Andrews, Mark A. ^[1]; Klaeren, Stephen A. ^[2]

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1. Ridge, NY
2. Corpus Christi, TX

Carbohydrates, especially aldose or ketose sugars, including those whose carbonyl group is masked by hemi-acetal or hemi-ketal formation, are decarbonylated by heating the feed carbohydrate together with a transition metal complex in a suitable solvent. Also, primary alcohols, including sugar alditols are simultaneously dehydrogenated and decarbonylated by heating a mixture of rhodium and ruthenium complexes and the alcohol and optionally a hydrogen acceptor in an acceptable solvent. Such defarbonylation and/or dehydrogenation of sugars provides a convenient procedure for the synthesis of certain carbohydrates and may provide a means for the conversion of biomass into useful products.

• Research Organization: Brookhaven National Laboratory (BNL), Upton, NY (United States)
• Sponsoring Organization: USDOE
• DOE Contract Number: AC02-76CH00016
• Assignee: United States of America as represented by United States (Washington, DC)
• Patent Number(s): H000918
• Application Number: 07/253641
• OSTI ID: 875272
• Resource Relation: Patent File Date: 1988 Oct 05
• Country of Publication: United States
• Language: English

Related Subjects

statutory invention registration
decarbonylation
dehydrogenation
carbohydrates
especially
aldose
ketose
sugars
including
carbonyl
masked
hemi-acetal
hemi-ketal
formation
decarbonylated
heating
feed
carbohydrate
transition
metal
complex
suitable
solvent
primary
alcohols
sugar
alditols
simultaneously
dehydrogenated
mixture
rhodium
ruthenium
complexes
alcohol
optionally
hydrogen
acceptor
acceptable
defarbonylation
provides
convenient
procedure
synthesis
provide
means
conversion
biomass
useful
products
primary alcohols
useful products
suitable solvent
transition metal
metal complex
ruthenium complexes
/999/