Ti(IV) promoted 1,3-dipolar cycloaddition of nitrones to vinyl ethers

Pau Bayón, Pedro De March, Marta Figueredo, Josep Font

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32 Citations (Scopus)

Abstract

The 1,3-dipolar cycloaddition of nitrones to vinyl ethers is accelerated by Ti(IV) species. The efficiency of the catalyst parallels its complexation capacity. The use of Ti((i)prO) 2 Cl 2 favours the formation of trans cycloadducts, presumably through an endo bidentate complex, in which the metal atom is simultaneously coordinated to the vinyl ether and to the cyclic nitrone or the Z isomer of the acyclic nitrones.
Original languageEnglish
Pages (from-to)15691-15700
JournalTetrahedron
Volume54
Issue number51
DOIs
Publication statusPublished - 17 Dec 1998

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