Iridium complexes having a pincer-type gallylene ligand were successfully synthesized utilizing bis(phosphino)terpyridine as an efficient scaffold for the Ir-GaI bond. The stabilization of the gallylene moiety by the pincer-type structure enabled various reactions at Ir with keeping the gallylene ligand intact, leading to unique structures and reactivities of PGaI P-Ir complexes.
Keywords: gallium; gallylene; iridium; pincer ligands.
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