cyclopropylboronic acids to electron-deficient alkenes such as alkenylsulfones, enones, enoates, and nitroalkenes proceeded to give high yields of the corresponding 1,4-addition products with high enantioselectivity.
铑催化的不对称环烯
硼酸的不对称加成反应,如电子不足的烯烃,如烯基砜,烯酮,烯酸酯和硝基烯烃,以高对映选择性高产率地得到相应的1,4-加成产物。