Add time:08/14/2019         Source:sciencedirect.com

An unified approach to the construction of the seven carbon atom framework of the title compounds, having a γ-oxoacrylate moiety as common structural feature, utilizing an intermolecular [3+2] cycloaddition of the nitrile oxide generated from a malic acid derived C-4 aldehyde fragment with methyl acrylate, is described.

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