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5(l氧基)2(5H)呋喃酮在温和的实验条件下,和活泼亚甲基化合物发生立体选择性加成反应,得到一系列立体专一性产物,产率为47%～71%.
5 (l oxy) 2 (5H) furanone stereoselective addition reaction with active methylene compound under mild experimental conditions, a series of stereoselective products were obtained in a yield of 47% ~ 71 %.