Publication | Closed Access
Facile routes to abnormal-NHC-cobalt(<scp>ii</scp>) complexes
31
Citations
41
References
2017
Year
Deprotonation of [IPr<sup>Ph</sup>]I (1) with Co{N(SiMe<sub>3</sub>)<sub>2</sub>}<sub>2</sub> readily affords the abnormal N-heterocyclic carbene (aNHC) complex (aIPr<sup>Ph</sup>)<sub>2</sub>CoI<sub>2</sub> (2) (aIPr<sup>Ph</sup> = 1,3-bis(2,6-iPr<sub>2</sub>C<sub>6</sub>H<sub>3</sub>)-2-phenyl-imidazol-4-ylidene). Treatment of 1 with NaHBEt<sub>3</sub> yields (aIPr<sup>Ph</sup>)BEt<sub>3</sub> (3) that serves as an aNHC-transfer agent and yields (aIPr<sup>Ph</sup>)Co{N(SiMe<sub>3</sub>)<sub>2</sub>}<sub>2</sub> (4) on reaction with Co{N(SiMe<sub>3</sub>)<sub>2</sub>}<sub>2</sub>.
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