Asymmetric α-2-tosylvinylation of in situ-generated N-2-tosylvinyl proline-derived ammonium ylides
摘要:
Asymmetric alpha-2-tosylvinylation of N-substituted proline esters using ethynyl tolyl sulfone as an electrophile was shown to proceed in good yield with high enantioselectivities without the addition of any bases. The reaction proceeds via the formation of N-2-tosylvinyl ammonium ylides. (C) 2011 Elsevier Ltd. All rights reserved.
Inhibitors of serine proteases, particularly HVC NS3-NS4A protease
申请人:Cottrell M. Kevin
公开号:US20050080017A1
公开(公告)日:2005-04-14
The present invention relates to compounds of formula I:
or pharmaceutically acceptable salts thereof that inhibit serine protease activity, particularly the activity of hepatitis C virus NS3-NS4A protease. As such, they act by interfering with the life cycle of the hepatitis C virus and are useful as antiviral agents. The invention further relates to pharmaceutically acceptable compositions comprising said compounds either for ex vivo use or for administration to a patient suffering from HCV infection and to processes for preparing the compounds. The invention also relates to methods of treating an HCV infection in a patient by administering a pharmaceutical composition comprising a compound of this invention.
Inhibitors of serine proteases, particularly HCV NS3-NS4A protease
申请人:Cottrell M. Kevin
公开号:US20050119189A1
公开(公告)日:2005-06-02
The present invention relates to compounds of formula I:
or a pharmaceutically acceptable salts thereof that inhibit serine protease activity, particularly the activity of hepatitis C virus NS3-NS4A protease. As such, they act by interfering with the life cycle of the hepatitis C virus and are useful as antiviral agents. The invention further relates to pharmaceutically acceptable compositions comprising said compounds either for ex vivo use or for administration to a patient suffering from HCV infection and to processes for preparing the compounds. The invention also relates to methods of treating an HCV infection in a patient by administering a pharmaceutical composition comprising a compound of this invention.
INHIBITORS OF SERINE PROTEASES, PARTICULARLY HCV NS3-NS4A PROTEASE
申请人:Cottrell Kevin M.
公开号:US20080125376A1
公开(公告)日:2008-05-29
The present invention relates to compounds of formula I:
or pharmaceutically acceptable salts thereof that inhibit serine protease activity, particularly the activity of hepatitis C virus NS3-NS4A protease. As such, they act by interfering with the life cycle of the hepatitis C virus and are useful as antiviral agents. The invention further relates to pharmaceutically acceptable compositions comprising said compounds either for ex vivo use or for administration to a patient suffering from HCV infection and to processes for preparing the compounds. The invention also relates to methods of treating an HCV infection in a patient by administering a pharmaceutical composition comprising a compound of this invention.