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Regioselective cycloaddition of a C-alkoxy-nitrone

โœ Scribed by James B. Hendrickson; Daniel A. Pearson


Book ID
104220067
Publisher
Elsevier Science
Year
1983
Tongue
French
Weight
188 KB
Volume
24
Category
Article
ISSN
0040-4039

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## Abstract The regioโ€ and stereoselectivity of cycloadditions of the nitrone 1a and the chiral, sugarโ€derived nitrones 13a and 13b with 3โ€(propโ€2โ€enoyl)โ€1,3โ€oxazolidinโ€2โ€one (2) depends on the nature of the __Lewis__ acid catalyst used. Addition of __Lewis__ acid reverses the regioselectivity of t