作者:Xin Huang、Wen-Bin Yi、Danash Ahad、Wei Zhang
DOI:10.1016/j.tetlet.2013.08.094
日期:2013.11
A highly enantioselective and diastereoselective Michael addition reaction of α-fluoro-β-ketoesters with maleimides is catalyzed by fluorous cinchona alkaloid to afford two adjacent chiral centers. The catalyst attached with a perfluroalkyl tag can be recovered by fluorous solid-phase extraction (F-SPE).
氟金鸡纳生物碱催化α-氟-β-酮酸酯与马来酰亚胺的高度对映选择性和非对映选择性迈克尔加成反应,得到两个相邻的手性中心。可以通过氟固相萃取(F-SPE)回收与全氟烷基标签连接的催化剂。