Ring Expansion of Coordinated N,P-Heterocyclic Carbenes: Methylene and Imidogen Insertion
Abstract
Two novel classes of 6-membered nitrogen phosphorus heterocyclic carbene (NPHC) complexes arise from the insertion of methylene or imidogen units into one C–C bond of azaphospholylidene complexes via reactions with H2C=PPh3 or LiN=AsPh3, respectively.
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