Tetrazolyl-(phenoxy and phenoxyalkyl) piperidininylpyridazines as antiviral agents
申请人:STERLING WINTHROP INC.
公开号:EP0577217A1
公开(公告)日:1994-01-05
Compounds of the formula
wherein:
Y is a bond, or C₁-C₆ alkylene;
R₁ is hydrogen or C₁-C₃ lower-alkyl;
R₂ and R₃ are each independently hydrogen, C₁-C₃ lower-alkyl or halogen;
R₄ is hydrogen or C₁-C₃ lower-alkyl;
or pharmaceutically acceptable acid addition salts thereof, and compositions thereof,
are useful as antiviral agents, particularly against picornaviruses.
式中的化合物
其中
Y 是键,或 C₁-C₆ 亚烷基;
R₁ 是氢或 C₁-C₃ 低烷基;
R₂ 和 R₃ 各自独立地为氢、C₁-C₃ 低烷基或卤素;
R₄ 是氢或 C₁-C₃ 低级烷基;
或其药学上可接受的酸加成盐及其组合物、
可用作抗病毒剂,尤其是抗皮卡病毒剂。