Tetrahedron Letters,Vo1.26,No.44,pp 5457-5458,1985 0040-4039/85 $3.00 + .OO Printed in Great Britain ... USE OF THIAZOLIUM-Z-CARBOXYLATES TO INDUCE BENZOIN CONDENSATIONS J. castells*, F. L6pez Calahorra and L. Domingo. Departamento de Quimica Orgbnica, Facultad de Quimica, Universidad de Barcelona Marti i FranquBs, 1; 08028 Barcelona. SPAIN Abstract.- The preparation of 3-ethyl-.4.5-dimethylthiazolium-2-carboxylate