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Synlett 1995; 1995(9): 975-977
DOI: 10.1055/s-1995-5147
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Lanthanide Bis-trifluoromethanesulfonylamides as a New Type of Asymmetric Catalysts for Hetero Diels-Alder Reaction with Danishefsky’s Diene in the Presence of Water

Koichi Mikami* , Osamu Kotera, Yukihiro Motoyama, Hiroaki Sakaguchi
  • *Department of Chemical Technology, Tokyo Institute of Technology, Meguro-ku, Tokyo 152, Japan
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Publication Date:
31 December 2000 (online)

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The asymmetric catalysis of hetero Diels-Alder reaction with Danishefsky’s diene by chiral lanthanide bis-trifluoromethanesulfonylamide (bis-trifylamide) complexes, particularly yttrium bis-trifylamide is described, wherein the significant effect of water as an additive is observed in increasing not only the enantioselectivity but also the chemical yield.

lanthanide - hetero Diels-Alder reaction - asymmetric catalyst