of alpha-fluoroketoesters to nitroolefins efficiently catalyzed by a cinchona alkaloid-derivative affords versatile non-enolizable ketoesters by forming two consecutive fluorinated quaternary and tertiary chiral carbon centers with excellent enantioselectivity.
                                    由
金鸡纳
生物碱衍
生物有效催化的硝基硝基烯烃的有机催化对映体选择性共轭加成反应,通过形成两个连续的具有优异对映选择性的
氟化季
铵和叔手性碳中心,可提供多种不可烯化的
酮酸酯。