Issue 20, 1995

Aryllead-mediated synthesis of linear 3-arylpyranocoumarins: synthesis of robustin and robustic acid

Abstract

The two naturally occurring linear 3-arylpyranocoumarins, robustin 1 and robustic acid 2, have been synthesised in nine steps from methyl 2,4,6-trihydroxyphenyl ketone, in 19% overall yield for robustin and 18% for robustic acid. Their syntheses involved, as a key step, the regioselective arylation of a functionalised 4-hydroxybenzo[l,2-b : 5,4-b′]dipyran-2-one with the appropriate aryllead triacetate.

Article information

Article type
Paper

J. Chem. Soc., Perkin Trans. 1, 1995, 2531-2534

Aryllead-mediated synthesis of linear 3-arylpyranocoumarins: synthesis of robustin and robustic acid

D. M. X. Donnelly, D. J. Molloy, J. P. Reilly and J. Finet, J. Chem. Soc., Perkin Trans. 1, 1995, 2531 DOI: 10.1039/P19950002531

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