Enantioselective synthesis of 4-aminopyrrolidine-2,4-dicarboxylate derivatives via Ag-catalyzed cycloaddition of azomethine ylides with alkylidene azlactones
作者:María González-Esguevillas、Javier Adrio、Juan C. Carretero
DOI:10.1039/c3cc41663a
日期:——
A catalytic highly enantioselective silver–DTBM-segphos catalyzed cycloaddition of α-iminoesters with alkylidene azlactones is reported. This procedure provides an effective access to 4-aminopyrrolidine-2,4-dicarboxylate derivatives with high diastereo- and enantioselectivity.
第 V 组金属化合物与三氧化硫的反应