Westphal reaction in solid-phase

Org Lett. 2003 Oct 30;5(22):4057-60. doi: 10.1021/ol035417z.

Abstract

[reaction: see text]. A library of cycloimonium salts has been prepared through Westphal reaction in solid-phase. By reaction of solid-support-bound azolium or azinium acetates 2, 1,2-diketones 4, and base, cycloimonium salts 5 were synthesized in good to high yield and purities.