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Keywords:

  • boron;
  • diboran(4)yl;
  • ligand effects;
  • platinum;
  • T-shaped geometry
Thumbnail image of graphical abstract

Diboran(4)yl PtII complexes: Selective oxidative addition of one B[BOND]I bond in B2(NMe2)2I2 to [Pt(PiPr3)2] affords a trans-diboran(4)yl platinum(II) complex (see scheme; ArF=3,5-(CF3)2C6H3). Comparison of its Pt[BOND]I bond lengths and the Pt[BOND]Br bond lengths of its bromine analogue with related species served to evaluate the trans influence of the ligand. The trans influence enabled facile halide abstraction to generate T-shaped 14-electron diboran(4)yl platinum(II) complexes.