The first exo-selective asymmetric 1,3-dipolar cycloaddition of alkylidene malonates with azomethine ylides catalyzed by AgOAc/TF-BiphamPhos has been reported in good yields and good to excellent enantio-/diastereoselectivities.
首次报道了
银乙酸盐/TF-BiphamPhos催化的烷基烯基美克酸酯与
肟亚胺负电荷的exo选择性不对称1,3-双极环加成反应,具有良好的产率以及良好到优异的对映体/非对映体选择性。