Issue 18, 1992

A new xanthone synthesis from the Diels–Alder reaction between 2-vinylchromen-4-ones and cyclopentanone enamine

Abstract

The reaction between 2-vinylchromen-4-ones and 1-pyrrolidinylcyclopentene give substituted 2,3,3a,4-tetrahydrocyclopenta[a]xanthen-11(5H)-ones; the stereochemistry of the product shows that the initial step in the reaction may be considered to be an exo-addition Diels–Alder with inverse electron demand.

Article information

Article type
Paper

J. Chem. Soc., Chem. Commun., 1992, 1310-1311

A new xanthone synthesis from the Diels–Alder reaction between 2-vinylchromen-4-ones and cyclopentanone enamine

R. M. Letcher and T. Yue, J. Chem. Soc., Chem. Commun., 1992, 1310 DOI: 10.1039/C39920001310

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