PROCEDIMENTO PER LA PURIFICAZIONE DI UN COMPOSTO BENZENSOLFONAMMIDICO

摘要

Process for the purification of N-[6-(2-hydroxy-ethoxy)-5-(2-methoxy-phenoxy)-2-pyrimidin-2-yl-pyrimidin-4-yl]-4-tert-butyl-benzenesulphonamide (bosentan), intermediates useful in said process, and their preparation.