A type of Diels-Alder reaction involving a diene and a dienophile in which the electron-rich dienophile reacts with the electron-poor diene
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methyl (E)-3-(6H-naphtho[1,2-b]pyran-6-on-5-yl)acrylate
3,4,4a,8a-Tetrahydro-2H,5H-pyrano[2,3-b]pyran
