meso-tetraaryl(porphyrinato)cobalt(III)-catalyzed oxygenation of disilanes under aerobic conditions
Cobalt(III) porphyrin-catalyzed oxygenation of disilanes is investigated. Five- and six-membered cyclic disilanes are readily oxygenated, providing the corresponding cyclic disiloxanes in 75%–quant yield. We propose a reaction mechanism involving intermediates with a Co(III)–Si bond based on spectroscopic analysis of the reaction mixtures.