American Chemical Society
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Copper(II)-Catalyzed Exo and Enantioselective Cycloadditions of Azomethine Imines

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Version 2 2016-06-03, 23:28
Version 1 2016-02-27, 09:34
posted on 2008-07-17, 00:00 authored by Mukund P. Sibi, Digamber Rane, Levi M. Stanley, Takahiro Soeta
A strategy for exo and enantioselective 1,3-dipolar cycloaddition of azomethine imines to 2-acryloyl-3-pyrazolidinone is described. The corresponding cycloadducts are isolated with high diastereoselectivities (up to >96:4 exo/endo) and enantioselectivities (up to 98% ee).