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.
Tetrazolyl-(phenoxy and phenoxyalkyl)-piperidinylpyridazines as
申请人:Sterling Winthrop Inc.
公开号:US05242924A1
公开(公告)日:1993-09-07
Compounds of the formula ##STR1## wherein: Y is a bond, or C.sub.1 -C.sub.6 alkylene; R.sub.1 is hydrogen or C.sub.1 -C.sub.3 lower-alkyl; R.sub.2 and R.sub.3 are each independently hydrogen, C.sub.1 -C.sub.3 lower-alkyl or halogen; R.sub.4 is hydrogen or C.sub.1 -C.sub.3 lower-alkyl; or pharmaceutically acceptable acid addition salts thereof are useful as antiviral agents, particularly against picornaviruses.