Clay montmorillonite-catalyzed regioselective addition of silyl ketene acetals to pyridine derivatives: synthesis of N-silyldihydropyridines
作者:Makoto Onaka、Ryosuke Ohno、Yusuke Izumi
DOI:10.1016/s0040-4039(01)80299-9
日期:——
Clay montmorillonite is an efficient catalyst for addition of silyl ketene acetals to pyridine derivatives with electron-withdrawing groups to afford N-silyldihydropyridines.