Gold(I)-catalysed tandem transmetallation (Sn→Au→As) of the stannylcarbyne [W(≡CSnnBu3)(CO)2(Tp*)] (Tp* = hydrotris-(dimethylpyrazolyl)borate) with haloarsines gives direct access to a range of novel arsinocarbyne complexes, LnM≡CAsR2, including unusual heterocyclic phenarsazininyl and arsolyl examples.
B. J. Frogley, A. F. Hill and R. M. Kirk, Chem. Commun., 2021, 57, 8770 DOI: 10.1039/D1CC03015A
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