Advanced Synthesis and Catalysis p. 264 - 267 (2001)
Update date:2022-08-05
Topics:
Saito, Takao
Yokozawa, Tohru
Ishizaki, Takero
Moroi, Takashi
Sayo, Noboru
Miura, Takashi
Kumobayashi, Hidenori
A series of novel optically active diphosphine ligands, (4,4′-bi-1,3-benzodioxole)-5,5′-diylbis(diarylphosphine)s (6), which are called SEGPHOS, has been designed and synthesized with dihedral angles in the Ru complexes being less than that in the corresponding BINAP-Ru complex. The stereorecognition abilities of SEGPHOS-Ru complex catalysts in the asymmetric catalytic hydrogenation of a wide variety of carbonyl compounds are superior to those observed with BINAP-Ru complex catalysts.
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