Compounds of the formula ##STR1## wherein: Y is an alkylene bridge of 3-9 carbon atoms; R' is lower-alkyl or hydroxy-lower-alkyl or 1-5 carbon atoms; R.sub.1 and R.sub.2 are hydrogen, halogen, lower-alkyl, lower-alkoxy, nitro, lower-alkoxycarbonyl or trifluoromethyl; and R.sub.8 is hydrogen or lower-alkyl of 1-5 carbon atoms, with the proviso that when R.sub.8 is hydrogen R' is hydroxy-lower-alkyl, are useful as antiviral agents, particularly against picornaviruses, including numerous strains of rhinovirus.
分子式为##STR1##的化合物,其中:Y是3-9个碳原子的烷基桥;R'是低级烷基或羟基-低级烷基或1-5个碳原子;R.sub.1和R.sub.2是氢、卤素、低级烷基、低级烷氧基、硝基、低级烷氧羰基或三
氟甲基;R.sub.8是氢或1-5个碳原子的低级烷基,但当R.sub.8是氢时,R'为羟基-低级烷基,可用作抗病毒剂,特别是对抗小肠病毒,包括大量的鼻病毒菌株。