Bulletin of the Korean Chemical Society

  • 제8권5호
  • /
  • Pages.372-376
  • /
  • 1987
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  • 0253-2964(pISSN)
  • /
  • 1229-5949(eISSN)
대한화학회 (Korean Chemical Society)
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The [M(cod)(PPh$_3)_2] PF_6$ (M = Rh, Ir; cod = 1,5-cyclooctadiene) Mediated Activiation of Aldehyde C-H Bond

  • Ko, Jae-Jung (Department of Chemical Education, Korea National University of Education) ;
  • Joo, Wan-Chul (Department of Chemistry, Sungkyunkwan University)
  • 발행 : 1987.10.20
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초록

Acetone solution of quinoline-8-carbaldehyde reacts with $[Rh(cod)(PPh_3)_2] PF_6$and $[Ir(cod)(PPh_3)_2] PF_6$ to yield $[Rh(NC_9H_6CO)(H)(PPh_3)_2(CH_3COCH_3)] PF_6$ (1) and $[Ir(NC_9H_6CO)(H)(PPh_3)_2(CH_3COCH_3)] PF_6$ (2), respectively. The compound $[Ir(cod)(PPh_3)_2] PF_6$ also reacts with $Ph_2PC_6H_4-o-CHO$ in the acetone / $H_2O$ mixture to give $[Ir(Ph_2PC_6H_4-o-CO)(H)(PPh_3)_2(CH_3COCH_3)] PF_6$ (3). Compounds 1, 2, and 3 were characterized by infrared, $^1H$ NMR, $^{31}P$ NMR spectra and conductivity measurement. The $^1H$ NMR spectra of 1, 2, and 3 support the presence of a terminal hydride that is cis to the phosphine. The IR band of 3 at 2185 $cm^{-1}$, which is assigned to $\nu$(Ir-H), and the hydride cleavage reaction of 3 with $CCl_4$, provide evidence for the Ir-H bond.

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참고문헌

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피인용 문헌

  1. The Synthesis, Spectroscopic, Fluorescence, and Thermal Properties of a 1,10-phenanthroline Containing Derivative of Phenoxycyclotriphosphazene and its Ru(II) Complex vol.41, pp.1, 1987, https://doi.org/10.1080/15533174.2010.522666
  2. Synthesis and Structure of Low‐valent η4‐Cinnamaldehyde Cobalt Complexes vol.643, pp.11, 1987, https://doi.org/10.1002/zaac.201700073