Acrylonitrile is dimerised in the presence of 10 to 60% by weight of a phosphorus III compound which has at least one hydrocarbyl group and at least one alkoxy or cycloalkoxy group and a proton-donating solvent.
丙烯腈在 10-60%(重量)的
磷 III 化合物和质子供体溶剂的存在下发生二聚反应,
磷 III 化合物具有至少一个烃基和至少一个烷氧基或环烷氧基。