Process for preparing 1,4-dioxan-2-ones
AssigneeChevron Research Company
InventorShigeto Suzuki
Life of this patent
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Abstract
1,4-Dioxan-2-ones are prepared by contacting carbon monoxide with formaldehyde, a 1,2-glycol, and a catalytic amount of hydrogen fluoride. The products of this reaction are readily converted into diglycolic acids by heating with aqueous caustic in the presence of a nickel catalyst.
Claims10
A process for preparing a 1,4-dioxan-2-one and 5-substituted-1,4-dioxan-2-ones which comprises contacting carbon monoxide with formaldehyde and a 1,2-glycol in the presence of a catalytic amount of hydrogen fluoride.
A process for preparing 1,4-dioxan-2-ones which comprises contacting carbon monoxide with formaldehyde and a 1,2-glycol in the presence of a catalytic amount of hydrogen fluoride at a temperature of from about 0.degree. C to 100.degree. C and a carbon monoxide partial pressure of about 10 psia to about 4000 psia.
Dependencies are inferred from the claim text.