Three-Component Strategy toward 5-Membered Heterocycles from Isocyanide Dibromides.
作者:Laurent El Kaim、Laurence Grimaud、Pravin Patil
DOI:10.1021/ol200003u
日期:2011.3.4
A three-componentstrategy starting from isocyanides allows a straightforward synthesis of five-membered ring heterocycles. New cascades were developed involving the addition of a nitrogenated nucleophile—an azide or a tetrazole—on isocyanide dibromides, an electrocyclization, and a Suzuki coupling, which afford new accesses to tetrazole and triazole scaffolds.