申请人:STERLING WINTHROP INC.
公开号:EP0577218A1
公开(公告)日:1994-01-05
Compounds of formula
wherein Het is
R₁ is a C₁-C₃ lower-alkyl;
R₂ and R₃ can each independently be hydrogen or fluorine;
R₄ is methyl or trifluoromethyl;
with the proviso that when Het is
R₁ is methyl and R₂ is fluorine; and when Het is
R₁ is methyl, R₂ is 2-fluoro, R₃ is hydrogen and
R₄ is methyl;
or pharmaceutically acceptable acid addition salts thereof, are useful as antiviral agents, particularly against picornaviruses.
式的化合物
其中 Het 是
R₁ 是 C₁-C₃ 低级烷基;
R₂ 和 R₃ 可以各自独立地为氢或氟;
R₄ 是甲基或三氟甲基;
但当 Het 为
R₁ 是甲基,R₂ 是氟;当 Het 为
R₁ 是甲基,R₂ 是 2-氟,R₃ 是氢和
R₄ 是甲基;
或其药学上可接受的酸加成盐,可用作抗病毒剂,特别是抗皮卡病毒。