H. Suga, Akira Funyu, A. Kakehi,
Jan 4, 2007
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Organic letters
Abstract
[reaction: see text] We have found the first example of high levels of asymmetric induction (97-74% ee) along with high diastereoselectivity (>99:1-64:36) in dipole-HOMO-/dipolarophile-LUMO-controlled asymmetric 1,3-dipolar cycloaddition reactions between fused azomethine imines and 3-acryloyl-2-oxazolidinone using a chiral BINIM-Ni(II) complex as a chiral Lewis acid catalyst.