sulfonyl chloride is treated with a slight excess of the amine and warmed if necessary to start the reaction. The reaction takes place smoothly with the evolution of heat and after a few minutes is complete. The excess amine is removed by washing the product with dil. hydrochloric acid. The crude product is then recrystallized from alcohol of the proper strength, depending on the particular compound used (see Table I).'l'he derivatives of ...
