Shinnosuke Horiuchi, Dr. Takashi Murase and Prof. Dr. Makoto Fujita A Remarkable Organometallic Transformation on a Cage-Incarcerated Dinuclear Ruthenium Complex Angewandte Chemie International Edition 51
Under confinement: Photosubstitution of a CO ligand with an alkyne on a dinuclear ruthenium carbonyl complex within a self-assembled cage occurs without the cleavage of the photolabile RuRu bond. The resulting Ru–alkyne π complex is a reaction intermediate stabilized inside the cage. Outside the cage, the π complex can be further transformed to a diruthenacyclopentenone framework by intramolecular CO insertion (see scheme).
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