Seven‐Coordinate Group 6 Metal Hydrides Obtained by H2 Activation at B(C6F5)3 Adducts of N2 Complexes: Frustrated Lewis Pair‐Type Reactivity of The B−N Linkage
Marie‐Christine Boegli,
Anaïs Coffinet,
Christian Bijani
et al.
Abstract:The adducts 2M,R of general formula trans‐[(L)M{R2P(CH2)2PR2}2{N2B(C6F5)3}] (L = ø or N2, M = Mo or W, R = Et or Ph), formed from Lewis acid‐base pairing of B(C6F5)3 to a dinitrogen ligand of zero‐valent group 6 bis(phosphine) complexes trans‐[M{R2P(CH2)2PR2}2(N2)2] are shown to react with dihydrogen to afford hepta‐coordinated bis(hydride) complexes [M(H)2{R2P(CH2)2PR2}{N2B(C6F5)3}] 3M,R which feature the rare ability to activate both dinitrogen and dihydrogen at a single metal center, except in the case wher… Show more
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