7-(2-aminoethyl)-benzothiazolones

Abstract From the Canadian patent

There are disclosed compounds of formula (I) wherein X and Y independently, represent -S(O)n-or -O-; n represents 0 1 or 2, p, q and r independently, represent 2 or 3 Z represents phenyl optionally substituted by halogen -OR1, -NO2 or -NR2R3; or a 5 or 6-membered N O, or S containing heterocycle, and, R1 R2 and R3 independently represent hydrogen or alkyl C1-6 and, pharmaceutically acceptable derivatives thereof. The compounds of the invention are D2-receptor agonists and .beta.2-adrenoreceptor agonists which are, useful in the treatment of airways diseases. Processes for their production and, pharmaceutical compositions and methods of treatment involving their use are also described.