申请人:A. H. Robins Company, Inc.
公开号:US04324791A1
公开(公告)日:1982-04-13
1-R-4-(omega-substituted alkyl)-3,3-diphenyl-2-pyrrolidinones of the formula ##STR1## wherein R is hydrogen, lower alkyl, cyclohexyl or benzyl, R.sup.1 is hydrogen, chloro, bromo, fluoro, trifluoromethyl or lower alkoxy, R.sup.2 is hydrogen, chloro, bromo, or fluoro, A is hydroxy, lower-alkylcarbonyloxy or lower-alkoxycarbonyl and n is 1, 2 or 3 having analgetic and antidiarrheal activity are disclosed. The pharmaceutically acceptable acid addition salts of the bases are within the scope of the present invention.
公开了具有式##STR1##的1-R-4-(ω-取代烷基)-3,3-二苯基-2-吡咯烷酮,其中R为氢、低级烷基、环己基或苄基,R1为氢、氯、溴、氟、三氟甲基或低级烷氧基,R2为氢、氯、溴或氟,A为羟基、低级烷基羰氧基或低级烷氧基羰基,n为1、2或3,具有镇痛和止泻活性。本发明范围内还包括这些碱的药学上可接受的酸加成盐。