The crystal and molecular structure of (trans-1,2-bis(diphenylphosphinamino)cyclohexane)(1,5-cyclooctadiene)rhodium(I) perchlorate dichloromethane solvate.

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概要

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• The molecular structure of the title compound has been determined from three-dimensional X-ray diffraction data. The crystal belongs to the triclinic system: P\bar1, <I>a</I>=11.488(2), <I>b</I>=18.163(2), <I>c</I>=10.998(2)Å, α=101.70(2), β=118.29(1), γ=85.32(3)°, <I>Z</I>=2. The structure has been refined by block-diagonal least-squares techniques using 3749 non-zero reflections to the final <I>R</I> value of 0.067. The rhodium atom is coordinated in a slightly distorted square-planar geometry by the bisphosphine and the diene ligand, with average Rh–P and Rh–C distances of 2.301(2) and 2.26(1)Å, respectively. The seven-membered chelate ring takes a distorted boat conformation, and the two phenyl groups of diphenylphosphine are arranged in a face-edge manner and those of the other diphenylphosphine are in a helical arrangement like a propeller, viewed from cycloocta diene.

• 公益社団法人 日本化学会の論文

著者

• Nakamura Asao

  Central Research Laboratories, Ajinomoto Co., Inc.

• Onuma Ken-ichi

  Central Research Laboratories, Ajinomoto Co., Inc.

関連論文

• Conformation of α-Aminobutyric Acid in Aqueous Solution
• The crystal and molecular structure of (trans-1,2-bis(diphenylphosphinamino)cyclohexane)(1,5-cyclooctadiene)rhodium(I) perchlorate dichloromethane solvate.
• The asymmetric homogeneous hydrogenation of olefins with the rhodium complexes of (1S,2S)-1,2bis(diphenylphosphinamino)cyclohexane and (2S,3S)-2,3-bis(diphenylphosphinamino)butane.
• Macroscopic and microscopic behavior of the eluent in liquid chromatography.
• Asymmetric hydrogenation with chiral aminophosphine-rhodium complexes and chiral recognition by bisphosphine-rhodium complexes in the asymmetric hydrogenation of olefins through the chiral helical conformation of phenyl groups on the phosphorus atom.

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