%0 Journal Article %T Diels-Alder Cycloaddition of Cyclopentadiene to a Bis-naphthoquinone %A Margaret A. Brimble %A Letecia J. Duncalf %J Molecules %D 2000 %I MDPI AG %R 10.3390/50200162 %X Addition of cyclopentadiene to bis-naphthoquinone (1) afforded predominantly the endo-endo [4+2] cycloadduct (2). %K Diels-Alder %K naphthoquinones %K cyclopentannulation %U http://www.mdpi.com/1420-3049/5/2/162