Asymmetric hydrogenation of .ALPHA.-keto acid derivatives with Rh(I)-chiral diphosphinite system. Effect of halide counterion on the asymmetric induction.

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概要

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• A chiral diphosphinite ligand having dicyclohexylphosphinooxy and dimethylamino moieties (Cy-POP-AE) was effective for the asymmetric hydrogenation of <I>N</I>-(benzoylformyl) amino acids by a Rh(I) catalyst under mild conditions. A neutral rhodium(I) precursor enabled a double asymmetric induction in methanol, while a cationic precursor caused an asymmetric induction controlled mainly by the substrate chirality.

• 公益社団法人 日本化学会の論文

著者

• Ikeda Satoru

  Department Of Electrical Engineering Kyushu University

• Yamagishi Takamichi

  Department Of Applied Chemistry Graduate School Of Engineering Tokyo Metropolitan University

• Yamaguchi Motowo

  Department Of Applied Chemistry Graduate School Of Engineering Tokyo Metropolitan University

• Hida Mitsuhiko

  Department of Industrial Chemistry, Faculty of Engineering, Tokyo Metropolitan University

• Egawa Tatsuya

  Department of Industrial Chemistry, Faculty of Technology, Tokyo Metropolitan University

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