Contrasting reactivity of B–Cl and B–H bonds at [Ni(IMes)2] to form unsupported Ni-boryls.

Autor: Audsley, Gabrielle, Carpentier, Ambre, Pécharman, Anne-Frédérique, Wright, James, Roseveare, Thomas M., Clark, Ewan R., Macgregor, Stuart A., Riddlestone, Ian M.
Předmět:
Zdroj: Chemical Communications; 1/21/2024, Vol. 60 Issue 7, p874-877, 4p
Abstrakt: [Ni(IMes)2] reacts with chloroboranes via oxidative addition to form rare unsupported Ni-boryls. In contrast, the oxidative addition of hydridoboranes is not observed and products from competing reaction pathways are identified. Computational studies relate these differences to the mechanism of oxidative addition: B–Cl activation proceeds via nucleophilic displacement of Cl, while B–H activation would entail high energy concerted bond cleavage. [ABSTRACT FROM AUTHOR]
Databáze: Complementary Index