?Synthesis of (1, 1, 3-trioxo-1, 3-dihydrobenzo[d]isothiazol-2-yl)alkanecarboxylic acids: conventional heating versus microwave methods?. L.Soler, V.Cerrada, M.P.Matia, J.L.Novella y J.Alvarez-Builla. 5th Spanish Italian Symposium on Organic Chemistry, Sa