%0 Journal Article 
%A Cuadro Palacios, Ana María
%A Valenciano Martínez, Jesús
%A Vaquero López, Juan J.
%A García Navío, José Luis
%A Álvarez-Builla Gómez, Julio
%T 2-Alkoxycarbonylcycloimmonium ylides, efficient 1,4-dipole equivalents in the synthesis of new conjugated betaines
%D 1993
%@ 0040-4020
%U http://hdl.handle.net/10017/3582
%X Several heterocyclic mesomeric betaines containing the bicyclic systems pyrido[1,2-a]pyrazine and pyrido [2,1-f][1,2,4]triazine have been prepared by reaction of 2-alkoxycarbonyl pyridinium N-ylides with phenyl isocyanate and isothiocyanate.
%K Azinium ylides
%K Pyrido[1,2-a]pyrazine
%K Pyrido[2,1-f][1,2,4]triazine
%K Synthesis
%K Mesomeric betaines
%K Ciencia
%K Química orgánica
%K Science
%K Chemistry, organic
%~ Biblioteca Universidad de Alcala