Phosphoramidate‐Supported Cp*IrIII Aminoborane H2B=NR2 Complexes: Synthesis, Structure, and Solution Dynamics
Chemistry–A European Journal, 2016•Wiley Online Library
Reaction of aminoboranes H2B= NR2 (R= iPr or Cy) with the cationic Cp* IrIII
phosphoramidate complex [IrCp*{κ2‐N, O‐Xyl (N) P (O)(OEt) 2}][BArF4] generates the
aminoborane complexes [IrCp*(H){κ1‐N‐η2‐HB‐Xyl (N) P (OBHNR2)(OEt) 2}][BArF4](R= iPr
or Cy) in which coordination of a P= O bond with boron weakens the B= N multiple bond. For
these complexes, solution‐and solid‐state, as well as DFT computational techniques, have
been employed to substantiate B− N bond rotation of the coordinated aminoborane.
phosphoramidate complex [IrCp*{κ2‐N, O‐Xyl (N) P (O)(OEt) 2}][BArF4] generates the
aminoborane complexes [IrCp*(H){κ1‐N‐η2‐HB‐Xyl (N) P (OBHNR2)(OEt) 2}][BArF4](R= iPr
or Cy) in which coordination of a P= O bond with boron weakens the B= N multiple bond. For
these complexes, solution‐and solid‐state, as well as DFT computational techniques, have
been employed to substantiate B− N bond rotation of the coordinated aminoborane.
Abstract
Reaction of aminoboranes H2B=NR2 (R=iPr or Cy) with the cationic Cp*IrIII phosphoramidate complex [IrCp*{κ2‐N,O‐Xyl(N)P(O)(OEt)2}][BArF4] generates the aminoborane complexes [IrCp*(H){κ1‐N‐η2‐HB‐Xyl(N)P(OBHNR2)(OEt)2}][BArF4] (R=iPr or Cy) in which coordination of a P=O bond with boron weakens the B=N multiple bond. For these complexes, solution‐ and solid‐state, as well as DFT computational techniques, have been employed to substantiate B−N bond rotation of the coordinated aminoborane.
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