Biomimetic Approach toward the Total Synthesis of <i>rac</i>-2-(Acylmethylene)pyrrolidine Alkaloids
作者:Yu-Chiao Shih、Pei-Hua Tsai、Chia-Chun Hsu、Chih-Wei Chang、Yuandong Jhong、Yun-Chung Chen、Tun-Cheng Chien
DOI:10.1021/acs.joc.5b00836
日期:2015.7.2
intermolecular decarbonylative Mannich reaction from various methyl ketones and 1-alkyl-1-pyrroliniums, generated in situ from 1-alkylprolines. This approach mimics the biosynthetic pathway and provides a direct access to a series of 2-(acylmethylene)pyrrolidine alkaloids, including hygrine, N-methylruspolinone, dehydrodarlinine, and ruspolinone.
2-(Acylmethylene)吡咯烷衍生物通过从各种甲基酮和1-烷基-1- pyrroliniums,生成分子间decarbonylative曼尼希反应合成原位由1- alkylprolines。该方法模拟了生物合成途径,并提供了直接接触一系列2-(酰基亚甲基)吡咯烷生物碱的方法,包括hy,N-甲基ruspolinone,dehydrodarlinine和ruspolinone。