Journal
CHEMICAL COMMUNICATIONS
Volume 58, Issue 24, Pages 3905-3908Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/d2cc00199c
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- Karlsruhe Institute of Technology (KIT) [MCIN/AEI/10.13039/501100011033, PID2019-106184GB-I00, RED2018102387-T]
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The overall neutral alpha-borylated phosphorus ylide Ph3PC(Me)BEt2 behaves like a polar borataalkene and can act as an acyclic, ambiphilic pi-type ligand with L- and Z-type functionalities side by side. In the complexes, bonding is dominated by the highly nucleophilic ylidic carbon atom (L-type ligand), but the Lewis acidic boron atom also contributes to bonding (Z-type ligand).
The overall neutral alpha-borylated phosphorus ylide Ph3PC(Me)BEt2 behaves like a polar borataalkene and can act as acyclic, ambiphilic pi-type ligand with L- and Z-type functionalities side by side. In the complexes [MX{eta(2)-Ph3PC(Me)BEt2}] (M = Cu, (Ag), Au; X = Cl, NTf2), the bonding is dominated by the highly nucleophilic ylidic carbon atom (L-type ligand). The Lewis acidic boron atom furnishes nonetheless a small but significant bonding contribution (Z-type ligand).
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