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Triphenylphosphine Photorelease and Induction of Catalytic Activity from Ruthenium-Arene Complexes Bearing a Photoswitchable o-Tosylamide Azobenzene Ligand

Deo, C; Bogliotti, N; Retailleau, P; Xie, J ORGANOMETALLICS 2016, 35, 2694-2700.

The reactivity of cationic arene ruthenium complexes bearing a photoswitchable o-tosylamide azobenzene ligand toward various phosphorus nucleophiles was investigated. The resulting phosphine-ruthenium complexes containing an azobenzene ligand were isolated as the Z isomer. Under appropriate reaction conditions, quantitative triphenylphosphine photorelease from the complex was achieved through Z -> E isomerization of the ligand. This process was applied to the photoinitiation of the catalytic aza-Morita-Baylis-Hillman reaction.

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Publication

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Paru le 1 août 2016

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DOI: 10.1021/acs.organomet.6b00431