Decahydro-8H-isoquino[2,1-g][1,6]naphthyridine and decahydrobenzo[a]pyrrolo[2,3-e]quinolizine derivatives
申请人:SYNTEX (U.S.A.) INC.
公开号:EP0524004A1
公开(公告)日:1993-01-20
Compounds of the formula
wherein:
X and Y are independently hydrogen; hydroxy; lower alkyl of 1-6 carbon atoms; lower alkoxy of 1-6 carbon atoms; or halo; or X and Y when adjacent and taken together are methylenedioxy or ethylene-1,2-dioxy;
R is lower alkyl of 1-6 carbon atoms; cycloalkyl of 3-8 carbon atoms; phenyl or phenyl lower alkyl in which any phenyl group may be optionally substituted by one or two substituents chosen from the group consisting of halo, lower alkyl of 1-4 carbon atoms and lower alkoxy of 1-4 carbon atoms; or -ANHSO₂R¹; wherein A is lower alkylene of 1-6 carbon atoms; and R¹ is lower alkyl of 1-6 carbon atoms or -NR²R³; wherein
R² and R³ are independently hydrogen or lower alkyl of 1-6 carbon atoms, or R² and R³ taken together are cycloalkyl of 3-8 carbon atoms; and
n is 1 or 2;
and the pharmaceutically acceptable salts thereof, are useful as α₂-adrenoceptor antagonists, in particular as peripherally selective α₂ -adrenoceptor antagonists.