
Journal of the Chemical Society. Chemical communications p. 1310 - 1311 (1992)
Update date:2022-08-04
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Letcher, Roy M.
Yue, Tai-Yuen
The reaction between 2-vinylchromen-4-ones and 1-pyrrolidinylcyclopentene give substituted 2,3,3a,4-tetrahydrocyclopentaxanthen-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.
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