Disclosed is a process for preparing unsaturated malonates and/or their isomers. The process includes the step of reacting an aldehyde and a dialkyl malonate in the presence of a Lewis acid and a carboxylic acid thereby forming an unsaturated malonate.
本发明公开了一种制备不饱和马隆酸酯和/或其异构体的方法。该方法包括在
路易斯酸和
羧酸的存在下,将醛和二烷基马隆酸酯反应,从而形成不饱和马隆酸酯的步骤。