Abstract

Using improved reaction protocols for three-component coupling reactions of aldehydes, dienophiles, and amides (AAD-reaction) or anhydrides (ANAD-reaction) or orthoesters (ALAD-reaction), a variety of functionalized hexahydroisoindolo derivatives were synthesized and fully characterized. Condensation of ubiquitous available aldehydes with unsaturated amides or anhydrides or orthoesters and subsequent Diels–Alder reactions with electron deficient dienophiles furnishes endo-selective enyne-reaction precursors in good to excellent yield.

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