Hemilability of P(X)N-type ligands (X = O, N–H): rollover cyclometalation and benzene C–H activation from (P(X)N)PtMe<sub>2</sub>complexes
作者:Margaret L. Scheuermann、Kyle A. Grice、Matthew J. Ruppel、Marta Roselló-Merino、Werner Kaminsky、Karen I. Goldberg
DOI:10.1039/c4dt01143k
日期:——
The thermolyses of (tBuP(O)N)PtMe2 (1, tBuP(O)N = (di-tert-butylphosphinito)pyridine) and (tBuP(NâH)N)PtMe2 (3, tBuP(NâH)N = (di-tert-butylphosphino)-2-aminopyridine) in benzene-d6 were investigated. With (tBuP(O)N)PtMe2, the product of a rollover cyclometalation of the pyridyl ring was observed in 80% yield along with formation of CH4. In contrast, thermolysis of (tBuP(NâH)N)PtMe2 resulted in competing rollover cyclometalation and intermolecular benzene CâH activation with production of a mixture of CH4 and CH3D.