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ChemInform Abstract: Asymmetric (4 + 3) Cycloadditions from Chiral α-Chloro Imines.

✍ Scribed by A. S. KENDE; H. HUANG

Publisher
John Wiley and Sons
Year
2010
Weight
34 KB
Volume
28
Category
Article
ISSN
0931-7597

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Chiral Cations in 4 + 3 Cycloadditions. -Chiral allylic acetal (I) reacts with furan in the presence of Lewis acids to give [4 + 3] cycloadducts with diastereoselectivities depending on the Lewis acid and the reaction conditions used. Similar cycloaddition between (I) and cyclopentadiene can be ach