High oxidation state bromocarbyne complexes†
Abstract
Bromination of the carbyne complexes [W(
CR)Br(CO)2(dcpe)] (R = Ph, SiPh3; dcpe = 1,2-bis(dicyclohexylphosphino)ethane) provides high oxidation state derivatives [W(
CPh)Br3(dcpe)] and [W(
CBr)Br3(dcpe)], the latter via an unprecedented bromodesilylation process.

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