⊼-Facial Stereoselectivity in Diels-Alder Reaction of Hexacyclo [7.4.2.01,9.03,7.04,14.06,15] Pentadecane-10,12-diene-2,8-dione

Abstract
The Diels-Alder reaction of the title compound with acrylo-nitrile, ethyl acrylate, maleic anhydride, diethylmaleate and p-benzoquinone is quantitative and shows near total ⊼-facial stereoselectivity.