An efficient palladium-cocatalyst system for vinylation of unsaturated carboxylic acid has been exploited,among which aliphatic amines(ALA)are firstly used as cocatalysts.

以醋酸钯/林/脂肪胺为催化体系,烯酸和乙酸乙烯酯为,过乙烯基交换反应制备烯酸乙烯酯。