Diels-Alder Reaction: Exo Reaction Product Formed
from E-1,3-Pentadiene and Maleic Anhydride


The product of the exo cycloaddition of E-1,3-pentadiene and maleic anhydride. The product is 46.5 kcal/mol more stable than the endo precoordination complex.


Figure. The MP2(full)/6-31G* optimized structure of product of the exo cycloaddition of E-1,3-Pentadiene and Maleic Anhydride.