Process for the preparation of benzothiazolone compounds

摘要

A process for the preparation of a benzothiazolone compound of formula (I) and intermediates of formulae (II), (III) and (X), wherein: Y is H; and X is NO2, NH2-HCL, NH-CS-NHCOPh or NH-CS-NH2; Or X and Y together form a five membered ring.