It can give two major products endo product and exo product. The Diels Alder reaction in organic chemistry is the most common cycloaddition reaction. The below infographic presents the difference between endo and exo Diels Alder in tabular form for quick reference. However, the exo product shows a minimal strain due to the minimum overlap between its faces.
Moreover, the endo product shows a maximum strain due to the maximum overlap between its faces. Furthermore, the endo Diels Alder has a C-shape whereas the exo Diels Alder has a Z-shape. This is the key difference between endo and exo Diels Alder. What is the Difference Between Endo and Exo Diels Alder?Įndo Diels Alder product is an organic compound having the substituents on the same face of the bridged ring system while exo Diels Alder product is an organic compound having the substituents on the opposite faces of the bridged ring system. Therefore, it has the maximum overlap between their faces. In the formation of endo product through this reaction, the substituents combine with each other via a bridged ring system in which the substituents are in the same face. A Diels Alder reaction forms six-membered rings thus we call it a cycloaddition. Side by Side Comparison – Endo vs Exo Diels Alder in Tabular FormĮndo Diels Alder product is an organic compound having the substituents on the same face of the bridged ring system.
The product of this type of reaction is usually a substituted cyclohexene derivative. Chiefly, we use these prefixes with the products of Diels Alder reaction. Endo and Exo are prefixes that we use to name an organic compound according to the locations of this substituent. We can find this isomerism in organic compounds having a substituent on its bridged ring system. The key difference between Endo and Exo Diels Alder compounds is that the Endo Diels Alder product has its substituents on the same face of the bridged ring system whereas the Exo Diels Alder product has its substituents on the opposite faces of the bridged ring system.Įndo-Exo isomerism is a special type of isomerism that falls into the category of stereoisomers.
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