Diels−Alder Cycloaddition of 11-Oxapentacyclo[6.5.2.23,6.02,7.09,13]- heptadeca-4,14,16-triene-4,5-dicarboxylic Anhydride with Cyclopentadiene and the Transannular Reactions of the Resulting Cycloadducts
Diels−Alder Cycloaddition of 11-Oxapentacyclo[6.5.2.23,6.02,7.09,13]- heptadeca-4,14,16-triene-4,5-dicarboxylic Anhydride with Cyclopentadiene and the Transannular Reactions of the Resulting Cycloadducts