Synthesis of a Palladium(IV) Complex by Oxidative Addition of an Aryl Halide to Palladium(II) and Its Use as Precatalyst in a CC Coupling Reaction

Abstract

Four's a charm: Complex 1⋅OAc (see scheme) reacts with 2-iodobenzoic acid to afford the stable PdIV complexes 2 a and 2 b. Complexes 2 are precatalysts for the orthovinylation of 2-iodobenzoic acid with CH2CHCO2Me and AgClO4 at room temperature. The reaction is not quenched by excess Hg nor does it afford dibenzyl in the presence of benzyl chloride, suggesting that neither Pd nanoparticles nor a Pd0 complex are involved. Detailed facts of importance to specialist readers are published as ”Supporting Information”. Such documents are peer-reviewed, but not copy-edited or typeset. They are made available as submitted by the authors. Please note: The publisher is not responsible for the content or functionality of any supporting information supplied by the authors. Any queries (other than missing content) should be directed to the corresponding author for the article.