Squaramide-Catalyzed Enantioselective Michael Addition of Diphenyl Phosphite to Nitroalkenes
作者:Ye Zhu、Jeremiah P. Malerich、Viresh H. Rawal
DOI:10.1002/anie.200904779
日期:2010.1.4
Michael's a square: An easily prepared squaramide catalyst that promotes the highly enantioselective Michael addition reaction of diphenyl phosphite to a range of nitroalkenes is described. This method leads to chiral β‐nitro phosphonates, which are precursors to biologically active β‐amino phosphonic acids.
Michael's a square:描述了一种易于制备的方酸酰胺催化剂,该催化剂可促进亚磷酸二苯酯与一系列硝基烯烃的高度对映选择性迈克尔加成反应。这种方法产生了手性 β-硝基膦酸酯,它是具有生物活性的 β-氨基膦酸的前体。