4.6 Article

The stereoselective formation of β-lactams with acyl ketenes generated from 5-acyl-Meldrum's acids

Journal

NEW JOURNAL OF CHEMISTRY
Volume 40, Issue 8, Pages 6546-6549

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c6nj00884d

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Acyl ketenes formed during thermal decomposition of 5-acyl-2,2-dimethyl-1,3-dioxa-4,6-diones undergo stereoselective [2+2] cycloaddition to chiral aldimines. We report the first example of optically active 3-acyl-beta-lactam formation from Meldrum's acid derivatives.

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