Organocatalytic Enantioselective Cross-Aldol Reactions of Aldehydes with Isatins: Formation of Two Contiguous Quaternary Centered 3-Substituted 3-Hydroxyindol-2-ones
作者:Fei Xue、Shilei Zhang、Lu Liu、Wenhu Duan、Wei Wang
DOI:10.1002/asia.200900243
日期:2009.11.2
Good neighbors: Cross‐aldol reactions of isatins with aldehydes, catalyzed by (S)‐pyrrolidine tetrazole are developed. In the process, two contiguous quaternary centers and one chiral carbon are created simultaneously with good efficiency.
邻居好:(S)-吡咯烷四唑催化了异戊二烯与醛的跨醇醛缩醛反应。在此过程中,同时高效地创建了两个连续的四元中心和一个手性碳。