article · Angewandte Chemie International Edition
Reactivity of (triphosphine)Mo<sup>IV</sup>-nitrido complex generated by N<sub>2</sub> splitting, toward boranes is reported. The simple adduct Mo≡N→BH<sub>3</sub> is observed with BH<sub>3</sub>.SMe<sub>2</sub> while 1,2 addition is evidenced with 9-BBN leading to H-Mo=NBR<sub>2</sub>. A second addition of BH<sub>3</sub>.SMe<sub>2</sub> is facile and forms an unprecedented complex featuring two bridging H between two B and the Mo centers. Addition of PMe<sub>3</sub> or BH<sub>3</sub>.SMe<sub>2</sub> promotes reductive elimination and N-H bond formation. The full sequence of functionalization at Mo≡N obtained after N<sub>2</sub> splitting is therefore evidenced in this work.
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DOI: 10.1002/anie.202402586
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