Westphal reaction in solid-phase.
[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.
Departamento. de Química Orgánica, Universidad de Alcalá, Campus Universitario, 28871-Alcalá de Henares, Madrid, Spain.
Francisca
F
Delgado
M Lourdes
ML
Linares
Ramón
R
Alajarín
Juan J
JJ
Vaquero
Julio
J
Alvarez-Builla