申请人:A. H. Robins Company, Incorporated
公开号:US04120969A1
公开(公告)日:1978-10-17
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.
公开了式子为##STR1##的1-R-4-(omega-取代烷基)-3,3-二苯基-2-吡咯烷酮,其中R是氢、低碳基、环己基或苄基,R.sup.1是氢、氯、溴、氟、三氟甲基或低烷氧基,R.sup.2是氢、氯、溴或氟,A是羟基、低烷基羧酸酯基或低烷氧基羧酸酯基,n为1、2或3,具有镇痛和抗腹泻活性。药学上可接受的酸盐加合物属于本发明的范围。