PROCEDIMIENTO PARA LA OBTENCION DE DERIVADOS DE 2,2-DIOXIDO DE 2,1,3-TIADIAZIN-4-ONA.

摘要

New and valuable process for the manufacture of 2,1,3-thiadiazin-4-one-2,2-dioxide derivatives by reaction of anthranilic acid amide or aminopyridine carboxamide derivatives with sulfur trioxide derivatives to give the sulfamic acid salts, followed by cyclization of these salts.