[EN] 2'-ETHYNYL NUCLEOSIDE DERIVATIVES FOR TREATMENT OF VIRAL INFECTIONS<br/>[FR] DÉRIVÉS DE 2'-ÉTHYNYLE NUCLÉOSIDE DE TRAITEMENT D'INFECTIONS VIRALES
申请人:NOVARTIS AG
公开号:WO2014033617A1
公开(公告)日:2014-03-06
The present invention provides a compound of formula A or a pharmaceutically acceptable salt thereof, wherein B, Q, R1, R5, R6, R7, R8 and Z are defined herein, which is a 2'-branched nucleoside useful for the treatment or prevention of viral infections, particularly dengue virus, yellow fever virus, West Nile virus, Japanese encephalitis virus, tick-borne encephalitis virus, Kunjin virus, Murray Valley encephalitis, St Louis encephalitis, Omsk hemorrhagic fever virus, bovine viral diarrhea virus, Zika virus and Hepatitis C virus.