Synthesis of ethylidene bisformamide from vinyl acetate

C - Chemistry – Metallurgy – 07 – C

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260/557.2

C07C 231/08 (2006.01) C07C 233/34 (2006.01) C07C 233/36 (2006.01)

Patent

CA 2029485

PATENT 186PUS04053 ABSTRACT Ethylidene bisformamide is produced in high selectivity by the reaction of formamide with vinyl acetate in a molar ratio of at least 1:1 at a temper- ature from about 60° to 150°C in the presence of a catalyst comprising an acid salt of mercury of which the parent acid has a pKa less than about 3.8.

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