Stereoselective Synthesis of 2,6-Disubstituted Piperidines Using the Iridium-Catalyzed Allylic Cyclization as Configurational Switch: Asymmetric Total Synthesis of (+)-241 D and Related Piperidine Alkaloids
作者:Christian Gnamm、Caroline M. Krauter、Kerstin Brödner、Günter Helmchen
DOI:10.1002/chem.200802525
日期:2009.2.16
configurational switch: Use of enantiomeric Ir catalysts allows the vinylpiperidine building blocks 2 a and 2 b to be synthesized with high selectivity. Total syntheses of the dendrobate alkaloid (+)‐241 D, its C6‐epimer, and a spruce alkaloid are presented as applications.
按压构开关:使用对映异构体的Ir的
催化剂的允许
乙烯基哌啶积木2和2b中以高选择性合成。介绍了树枝状
生物碱(+)-241 D,其C6-表观分子和云杉
生物碱的总合成。