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


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


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