申请人:E.R. Squibb & Sons, Inc.
公开号:EP0335355A2
公开(公告)日:1989-10-04
Antiviral activity is exhibited by compounds having the formula
and its pharmaceutically acceptable salts wherein R1 is
wherein R2 is hydrogen, methyl, fluoro, chloro, bromo, iodo, hydroxy or amino; R3 is fluoro, chloro, bromo, iodo, hydrogen, methyl, trifluoromethyl, ethyl, n-propyl, 2-fluoroethyl, 2-chloroethyl, or
wherein R4 is chloro, bromo, iodo, hydrogen methyl or trifluoromethyl; Rs is alkyl; R6 is hydrogen, alkyl, substituted alkyl, or aryl; and R7 and R8 are independently hydrogen,
具有以下式子的化合物具有抗病毒活性
及其药学上可接受的盐类,其中 R1 是
其中,R2 是氢、甲基、氟、氯、溴、碘、羟基或氨基;R3 是氟、氯、溴、碘、氢、甲基、三氟甲基、乙基、正丙基、2-氟乙基、2-氯乙基,或
其中 R4 是氯、溴、碘、甲基氢或三氟甲基;Rs 是烷基;R6 是氢、烷基、取代烷基或芳基;以及 R7 和 R8 独立地是氢、