2- (4-Oxo-1-phenyl-1,3,8-triazaspiro 4.5!decan-8-yl)alkyl!-1H- benz de!isoquinolin-1,3(2H)-diones

摘要

Compounds of the following formula and their acid addition salts ##STR1## wherein R.sup.1 and R.sup.2 are selected from hydrogen, lower alkyl, lower alkoxy, lower alkylthio, halogen, trifluoromethyl, amino, nitro and cyano; R.sup.3 is hydrogen, lower alkyl or lower alkenyl; R.sup. 4 is hydrogen, halogen, or lower alkyl; and A is straight or branched chain alkylene are disclosed. These compounds exhibit antidepressant activity. In addition, these compounds are useful as antiinflammatory agents.