Compounds of general formula (I) ##STR1## wherein R1 represents a phenyl, halophenyl, methylphenyl, ethylphenyl, methoxyphenyl, trifluoromethylphenyl or naphthyl group, R2 represents hydrogen or a methyl or phenyl group, and R3 represents hydrogen or a benzyl group, except compounds in which R1 is a phenyl or 4-fluorophenyl group, R2 is hydrogen and R3 is hydrogen or a benzyl group, and their pharmaceutically acceptable acid addition salts have useful anti-depressant and anti-ischaemic properties.
通式(I)的化合物##STR1##其中R1代表苯基、卤苯基、甲基苯基、
乙基苯基、
甲氧基苯基、三
氟甲基苯基或
萘基,R2代表氢或甲基或苯基,R3代表氢或苄基,除了R1为苯基或4-
氟苯基、R2为氢和R3为氢或苄基的化合物,以及它们的药用酸盐具有有用的抗抑郁和抗缺血性能。