Montmorillonite‐Entrapped Sub‐nanoordered Pd Clusters as a Heterogeneous Catalyst for Allylic Substitution Reactions

Caught making a change: Stable sub-nanoordered Pd clusters within the interlayer spaces of montmorillonite efficiently catalyze heterogeneous allylic substitution reactions in which the coordinatively unsaturated Pd atoms enable facile formation of π-allylpalladium intermediates (see scheme). The catalyst is reusable without any loss of activity or selectivity.