烯反应high Lewis acidity of the catalysts, which can activate even weakly nucleophilic olefins, such as 1-hexene and cyclohexene. In the case of catalysts 1
超价分子 Gen. Chem. USSR. 1979, 49: 298. 缺少或|title=为空 (帮助) (英文)Ramirez, F. Nucleophilic substitutions at pentavalent phosphorus. Reaction of 2,2,2-trialkoxy-2