申请人:Sterling Drug Inc.
公开号:US05175177A1
公开(公告)日:1992-12-29
Compounds of the formula ##STR1## wherein: Y is alkylene of 3 to 9 carbon atoms; R.sub.1 is lower-alkyl, lower-alkoxy-(C.sub.1-3 -alkyl), lower-alkoxycarbonyl, cyclopropyl or trifluoromethyl; R.sub.2 and R.sub.3 independently are hydrogen, lower-alkyl, halogen, lower-alkoxy, nitro, trifluoromethyl or hydroxy; and R.sub.4 is hydrogen or lower-alkyl; where lower-alkyl and lower-alkoxy, each occurrence, have from 1-5 carbon atoms; with the proviso that when R.sub.1 is lower-alkyl, at least one of R.sub.2 and R.sub.3 is hydroxy; or pharmaceutically acceptable acid-addition salts thereof are useful as antiviral agents, particularly against picornaviruses, including numerous strains of rhinovirus.
化合物的式子为##STR1##其中:Y是3至9个碳原子的烷基;R.sub.1是低烷基,低烷氧基-(C.sub.1-3-烷基),低烷氧羰基,环丙基或三氟甲基;R.sub.2和R.sub.3各自独立地是氢,低烷基,卤素,低烷氧基,硝基,三氟甲基或羟基;R.sub.4是氢或低烷基;其中每个低烷基和低烷氧基都有1-5个碳原子;但是当R.sub.1是低烷基时,R.sub.2和R.sub.3中至少有一个是羟基;或其药学上可接受的酸加合盐可用作抗病毒剂,特别是对抗许多种鼻病毒的抗病毒剂。