Lewis acid mediated cyclisations of silylated methylenecyclopropyl hydrazones
Lee Patient,Malcolm B. Berry,Simon J. Coles,Mike B. Hursthouse,Jeremy D. Kilburn
Chemical Communications Pub Date : 09/17/2003 00:00:00 , DOI:10.1039/B306636C
Abstract
Silylated methylenecyclopropyl hydrazones on treatment with BF3·Et2O cyclise to give heterocyclic products involving a novel sequence of hydride and silyl shifts via a series of increasingly stable cationic intermediates.
