摘要:
The reactions of [Ir(ppy)(2)(H2O)(2)](OTf) (ppy = 2-pyridylphenyl) with 1,2-diaryl-3,4-bis[(2,4,6-tri-tert-butylphenyl)phosphinidene]cyclobutenes (DPCB-Y) afford [Ir(ppy)(2)(DPCB-Y)](OTf) (Y = CF3 (1), H (2), and OMe (3)) in high yields. The 2-(2-pyridyl)phosphaethene ((PN)-N-boolean AND) analogue [Ir(ppy)(2)((PN)-N-boolean AND)](OTf) (4) is prepared in a similar manner. Complexes 1-4 are characterized by elemental analysis, NMR and electronic spectroscopy, cyclic voltammetry, and/or X-ray structural analysis.