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Synthesis 2009(4): 627-635
DOI: 10.1055/s-0028-1083351
DOI: 10.1055/s-0028-1083351
PAPER
© Georg Thieme Verlag
Stuttgart ˙ New York
A Practical Synthesis of α-Substituted tert-Butyl Acrylates from Meldrum’s Acid and Aldehydes
Further Information
Received
29 August 2008
Publication Date:
02 February 2009 (online)
Publication History
Publication Date:
02 February 2009 (online)

Abstract
An expeditious synthesis of α-substituted tert-butyl acrylates from commercially available aldehydes and Meldrum’s acid has been established. The method benefits from a telescoped condensation-reduction sequence to afford 5-monosubstituted Meldrum’s acid derivatives followed by a Mannich-type reaction triggered by a rapid cycloreversion of the dioxinone ring on heating with tert-butyl alcohol.
Key words
alkenes - Mannich bases - acrylate derivatives - tandem reactions - aldehydes
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