Photochemically Produced Aminocyclobutanes as Masked Dienes in Thermal Electrocyclic Cascade Reactions

Luke D. Elliott*, Kevin I. Booker-Milburn

*Corresponding author for this work

Research output: Contribution to journalArticle (Academic Journal)peer-review

7 Citations (Scopus)
105 Downloads (Pure)

Abstract

Cyclobutane products of a triplet sensitized enamide-alkene intramolecular [2+2] photocycloaddition have been shown to undergo fragmentation under acidic conditions. This lability has been exploited by inducing a complexity generating thermal electrocyclic cascade sequence involving the in situ formation of a cyclobutene, followed by electrocyclic ring opening, Diels-Alder cycloaddition and subsequent lactamization. This combination of excited state photochemistry and thermal elec-trocyclic cascade reactions allows simple planar molecules to be rapidly transformed into sp3 rich scaffolds.
Original languageEnglish
Pages (from-to)1463-1466
Number of pages4
JournalOrganic Letters
Volume21
Issue number5
Early online date14 Feb 2019
DOIs
Publication statusPublished - 14 Feb 2019

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