New chiral 2,2'-bipyridine diols as catalysts for enantioselective addition of diethylzinc to benzaldehyde

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Original languageEnglish
Pages (from-to)3791-3801
Journal / PublicationTetrahedron Asymmetry
Issue number19
Publication statusPublished - 24 Sept 1999


New C2-symmetric chiral 2,2'-bipyridine diols were prepared from readily available homochiral materials such as menthone and camphor. Their catalytic activities in the reaction of diethylzinc with benzaldehyde to give 1-phenyl-1-propanol were studied. In all cases, the yields were good and enantioselectivities up to 95% were observed.