Cycloadditions of 3,4-dihydro-2H-pyrrole 1-oxide to methylene-γ-butyrolactones

David Alonso-Perarnau, Pedro De March, Mustafa El Arrad, Marta Figueredo, Josep Font, Teodor Parella

Research output: Contribution to journalArticleResearchpeer-review

13 Citations (Scopus)


In the reactions of nitrone 1 with several methylene-γ-bulyrolactones 2-5 we have isolated and identified in all the cases the corresponding [3+2] cycloadducts. In all the adducts the oxygen atom of the dipole has linked to the more substituted carbon atom of the exocyclic double bond of the lactone. For lactone 5 the exocyclic double bond has shown higher reactivity than the endocyclic. Herein three new heterocyclic skeletons are reported.
Original languageEnglish
Pages (from-to)14763-14772
Issue number43
Publication statusPublished - 27 Oct 1997


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