Highly Regioselective Diels–Alder Reaction of 9-Substituted Anthracenes with Citraconic Anhydride

Abstract

The regioselectivity in the Diels–Alder reaction of 9-substituted anthracenes having electron-releasing substituents with citraconic anhydride has been investigated. The ortho regioisomer is preferred in all the cases with good yield. The reaction proceeded best under conventional heating conditions in toluene.

Key words

Diels–Alder reaction - regioselective - diastereoselectivity - cycloaddition - solvent effects

• References and Notes

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