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Catalyst system and process for benzyl ether fragmentation and coal liquefaction

United States Patent

5,744,026
April 28, 1998
View the Complete Patent at the US Patent & Trademark Office
Dibenzyl ether can be readily cleaved to form primarily benzaldehyde and toluene as products, along with minor amounts of bibenzyl and benzyl benzoate, in the presence of a catalyst system comprising a Group 6 metal, preferably molybdenum, a salt, and an organic halide. Although useful synthetically for the cleavage of benzyl ethers, this cleavage also represents a key model reaction for the liquefaction of coal; thus this catalyst system and process should be useful in coal liquefaction with the advantage of operating at significantly lower temperatures and pressures.
Zoeller; Joseph Robert (Kingsport, TN)
Eastman Chemical Company (Kingsport, TN)
08/ 827,668
April 10, 1997
This invention was made with United States Government support under contract No. DE-AC22-94PC94065 awarded by the Department of Energy. The Government has certain rights in this invention.