A novel strategy of initiating an organocatalysed dynamic kinetic resolution (dr up to 99 : 1 and er up to 94 : 6) for the synthesis of chiral trans-2,5-dialkylcyclohexanones by an asymmetric conjugate addition of dimethyl malonate on to 6-substituted cyclohexenones is reported.
报告了一种新型战略,即通过
丙二酸二甲酯与 6-取代
环己烯酮的不对称共轭加成,启动有机催化动态动力学解析(dr 高达 99 : 1,er 高达 94 : 6),合成手性反式-2,5-二烷基
环己酮。