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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 20, Number 7
BKCSDE 20(7)
July 20, 1999

Title	Design and Synthesis of Binaphthol-Derived Chiral ketone Catalysts for Dioxirane-Mediated Asymmetric Epoxidation of Olefins
Author	Yang Hee Kim, Kyo Chul Lee, Dae Yoon Chi, Sang-gi Lee, Choong Euyi Song
Keywords
Abstract	Binaphthol-derived chiral ketones 1a-c were synthesized and were shown to serve as active catalysts for asymmetric epoxidation of olefins using Oxone, although their enantioselectivities were not high. However, very interestingly, the stereochemical outcome of the resulting epoxides implicates that in the epoxidation using 1a-c, the planar transition state may be more favorable than the spiro transition state.
Page	831 - 834
Full Text	PDF

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