申请人:Novartis AG
公开号:US20170112868A1
公开(公告)日:2017-04-27
The present invention provides a compound of formula A:
or a pharmaceutically acceptable salt thereof, wherein B, Q, R
1
, R
5
, R
6
, R
7
, R
8
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.