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Article Dans Une Revue Organometallics Année : 2020

Tridentate NNN Ligand Associating Amidoquinoline and Iminophosphorane: Synthesis and Coordination to Pd and Ni Centers

Résumé

The synthesis of a tridentate NNN ligand incorporating an amidoquinoline and an iminophosphorane (L R H, R =Ph, Cy) was carried out. Coordination to Pd II and Ni II precursors gave as expected square planar complexes of general formula [L R MCl]. The most surprising result came from the reaction of L Ph H with [Ni(COD)2] which gave a Ni II-phenyl complex bearing a tridentate amidoquinoline-aminophosphine ligand. This rearrangement would result from a proton transfer assisted by the Ni 0 when stabilized by a phenyl substituent at the phosphorus, as suggested by DFT calculations and complementary experiments. This nickel-phenyl complex formed the corresponding benzoyl complex under a CO atmosphere.

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hal-02919131 , version 1 (16-11-2020)

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Louis Mazaud, Maxime Tricoire, Sophie Bourcier, Marie Cordier, Vincent Gandon, et al.. Tridentate NNN Ligand Associating Amidoquinoline and Iminophosphorane: Synthesis and Coordination to Pd and Ni Centers. Organometallics, 2020, 39 (5), pp.719-728. ⟨10.1021/acs.organomet.9b00867⟩. ⟨hal-02919131⟩
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