Ion-Supported Chiral Pyrrolidines as Enantioselective Catalysts for Direct Michael Addition of Nitroalkenes in [BMIm]PF<sub>6</sub>
作者:Zhenyuan Xu、Danqian Xu、Shuping Luo、Huadong Yue、Liping Wang、Yunkui Liu
DOI:10.1055/s-2006-950443
日期:2006.9
Imidazolium-supported-pyrrolidine-catalyzed asymmetric Michael addition reactions of unmodified ketones and aldehydes to nitroalkenes were performed in [BMIm]PF 6 to give products in up to 98% yield and 99% enantioselectivity. The catalytic system presented a synergistic effect in the improvement of reaction performance and could be recycled.
在[BMIm]PF 6 中进行咪唑鎓负载的吡咯烷催化的未改性酮和醛与硝基烯烃的不对称迈克尔加成反应,以高达98%的产率和99%的对映选择性得到产物。该催化体系在提高反应性能方面具有协同作用,并且可以回收利用。