Process for preparing diglycolic acids

Details Process for preparing diglycolic acids Process for preparing diglycolic acids

1977-08-04

1979-02-27

Thomas, Jr., James O.

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acids and salts thereof

C07C 5124

Patent

active

041420578

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.

REFERENCES:
patent: 3911003 (1975-10-01), Suzuki
patent: 3948977 (1976-04-01), Suzuki
patent: 3952054 (1976-04-01), Shen

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