C−CN vs C−H Cleavage of Benzonitrile Using [(dippe)PtH]<sub>2</sub>
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The reaction of [(dippe)PtH]2 with benzonitrile at 140 °C produced two products, the C−H-activated adduct (dippe)Pt(H)(2-C6H4CN) (2) and the C−CN-activated adduct (dippe)Pt(Ph)(CN) (5), with the kinetically favored C−H activation product forming in a significant majority (∼18:1). Further reaction showed a formal β-cyano elimination in 2, forming (dippe)Pt(H)(CN) (3) and benzene. Following the elimination, C−H activation of a second benzonitrile by 3 led to three regioisomers of (dippe)Pt(CN)(C6H4CN) (4).
创建时间：
2011-03-28
