Hydrogenolysis of polyalkylene glycols to produce...

Details Hydrogenolysis of polyalkylene glycols to produce... Hydrogenolysis of polyalkylene glycols to produce...

C - Chemistry, Metallurgy

07

C

260/639, 260/636

C07C 31/08 (2006.01) C07C 29/00 (2006.01) C07C 29/10 (2006.01) C07C 29/60 (2006.01) C07C 41/18 (2006.01) C07C 43/13 (2006.01)

Patent

CA 1219004

Abstract This invention relates to a process for selectively cleaving a polyalkylene glycol, e.g., diethylene glycol, containing at least one ether group therein at a carbon-to-oxygen covalent bond and independently at a carbon-to-carbon covalent bond by heating the polyalkylene glycol with molecular hydrogen in the presence of a hydrogenation catalyst containing iridium to produce at least one of monoethylene glycol monoethyl ether, monoethylene glycol monomethyl ether, monoethylene glycol and ethanol. Monoethylene glycol monoethyl ether can be produced in significant amounts by employing the process of this invention.

412106

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