| 摘要 |
Described herein are compound of the formula: <IMAGE> Formula I wherein: Thi is thiadiazolyl or substituted thiadiazolyl; Y is alkylene bridge of 3-9 carbon atoms; R1 and R2 are each independently chosen from hydrogen, halo, alkyl, alkenyl, amino, alkylthio, hydroxy, hydroxyalkyl, alkoxyalkyl, alkylthioalkyl, alkylsulfinyl alkyl, alkylsulfonylalkyl, alkoxy, nitro, carboxy, alkoxycarbonyl, dialkylaminoalkyl, alkylaminoalkyl, aminoalkyl, difluoromethyl, trifluoromethyl, or cyano; R3 is a heterocyclyl chosen from pyrimidinyl, pyrazinyl, or pyridazinyl; or a pharmaceutically acceptable salt thereof which are effective antipicornaviral agents.
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