Synthetic applications of N-acylamino-1,3-dienes. 10. Importance of allylic interactions and stereoelectronic effects in dictating the steric course of the reaction of iminium ions with nucleophiles. An efficient total synthesis of (.+-.)-gephyrotoxin
Synthetic applications of N-acylamino-1,3-dienes. 10. Importance of allylic interactions and stereoelectronic effects in dictating the steric course of the reaction of iminium ions with nucleophiles. An efficient total synthesis of (.+-.)-gephyrotoxin
作者:Larry E. Overman、Dominique Lesuisse、Mitsunori Hashimoto
DOI:10.1021/ja00354a031
日期:1983.8
The tandem Pummerer-isomünchnone route to (±)-pumiliotoxin C
作者:Jeffrey T. Kuethe、Albert Padwa
DOI:10.1016/s0040-4039(97)00141-x
日期:1997.3
The Pummerer reaction of imidosulfoxides containing tethered π-bonds results in the formation of isomünchnone dipoles which readily undergo intramolecular dipolar cycloaddition to furnish 5-substituted α-pyridones. An application of the method to (±)-pumiliotoxin C was carried out.