A new class of PN3-pincer ligands for metal–ligand cooperative catalysis
H. Li, B. Zheng, K.-W. Huang
Chemistry Reviews, volumes 293-294, 116-138, (2015)
Metal-ligand cooperative catalysis, N-H bond, Dearomatization, Dehydrogenation, Hydrogenation, PN3-pincer ligand
Work on a new class of PN3-pincer ligands for metal–ligand cooperative catalysis is reviewed. While the field of the pyridine-based PN3-transition metal pincer complexes is still relatively young, many important applications of these complexes have already emerged. In several cases, the PN3-pincer complexes for metal–ligand cooperative catalysis result in significantly improved or unprecedented activities. The synthesis and coordination chemistry of PN3-pincer ligands are briefly summarized first to cover the synthetic routes for their preparation, followed by a focus review on their applications in catalysis. A specific emphasis is placed on the later section about the role of PN3-pincer ligands’ dearomatization–rearomatization steps during the catalytic cycles. The mechanistic insights from density functional theory (DFT) calculations are also discussed.
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