作者:Baokun Qiao、Xinfei Liu、Shaobo Duan、Lin Yan、Zhiyong Jiang
DOI:10.1021/ol403303k
日期:2014.2.7
molecular sieves as an additive. The reaction conditions were suitable to 4-alkyl and benzyl-substituted azlactones as well as N-(benzyl/alkyl/arylthio)succinimides, affording adducts with high enantioselectivities (81–94% ee).
通过使用金鸡纳生物碱衍生的方酰胺作为催化剂和4Å分子筛作为添加剂,已开发出N -((硫烷基)琥珀酰亚胺)对内酯进行的首个不对称α-亚磺酰基化反应。反应条件适用于4-烷基和苄基取代的内酯以及N-(苄基/烷基/芳硫基)琥珀酰亚胺,可提供高对映选择性(81-94%ee)的加合物。