Donor Ligand Effect in Asymmetric Epoxidation of Unfunctionalized Olefins with Chiral Salen Complexes

Ryo Irie, Yoshio Ito, Tsutomu Katsuki

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Addition of donor ligands such as pyridine N-oxide or 2-methylimidazole to the chiral (salen)manganese(III) complex catalyzed asymmetric epoxidation of unfunctionalized olefins was found to be effective for altering the enantioselectivity and the chemical yield. The highest asymmetric yields were obtained for the respective epoxidation of (E)-1-phenylpropene (56% ee) and 1,2-dihydronaphthalene (83% ee).

Original languageEnglish
Pages (from-to)265-266
Number of pages2
Issue number4
Publication statusPublished - Apr 1991


All Science Journal Classification (ASJC) codes

  • Organic Chemistry

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