Rapid Access to an Oxido-Alkylidene Complex of Mo(VI)
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The first well-defined Mo oxido-alkylidene complex, [(tBu3PN)2Mo(O)(CHSiMe3)] (4), and its borane adduct, [(tBu3PN)2Mo(O–B(C6F5)3)(CHSiMe3)] (5), have been prepared through alkylation of the bis(phosphinimide) Mo oxido-dichlorido complex [(tBu3PN)2MoOCl2] (3). The reaction between 2 equiv of tBu3PN–SiMe3 (2) and [(DME)MoO2Cl2] (1) generates 3 through selective elimination of (Me3Si)2O. All complexes have been studied in solution by multinuclear NMR spectroscopy and in the solid state by X-ray crystallography. Preliminary ROMP catalysis results are also presented.
创建时间：
2016-02-12
