May-Jun 1985 2-Methylpyridinium Salts as 1,4-Dinucleophiles. Quinolizinium Salts from the Westphal Condensation J. Alvarez-Builla* [a], G. Gonzalez Trigo [b], J. Ezquerra [b], ME Fombella [b] [a] Departamento de Química Organica, Universidad de Alcalá de Henares, Madrid, Spain [b] Departamento de Química Organica, Facultad de Farmacia, Universidad Complutense, Madrid-3, Spain Recieved July 21, 1984 Condensation of 2-methylpyridinium salts with ...