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Highly potent non-peptidic inhibitors of the HCV NS3/NS4A serine protease. 2002
David Sperandio, and
Anthony R Gangloff, and
Joane Litvak, and
Richard Goldsmith, and
Jason M Hataye, and
Vivian R Wang, and
Emma J Shelton, and
Kyle Elrod, and
James W Janc, and
James M Clark, and
Ken Rice, and
Steve Weinheimer, and
Kap-Sun Yeung, and
Nicholas A Meanwell, and
Dennis Hernandez, and
Andrew J Staab, and
Brian L Venables, and
Jeffrey R Spencer
Celera, 180 Kimball Way, South San Francisco, CA 94080, USA. david.sperandio@celera.com
Screening of a diverse set of bisbenzimidazoles for inhibition of the hepatitis C virus (HCV) serine protease NS3/NS4A led to the identification of a potent Zn(2+)-dependent inhibitor (1). Optimization of this screening hit afforded a 10-fold more potent inhibitor (46) under Zn(2+) conditions (K(i)=27nM). This compound (46) binds also to NS3/NS4A in a Zn(2+) independent fashion (K(i)=1microM). The SAR of this class of compounds under Zn(2+) conditions is highly divergent compared to the SAR in the absence of Zn(2+), suggesting two distinct binding modes.
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Joane Litvak, and
Richard Goldsmith, and
Jason M Hataye, and
Vivian R Wang, and
Emma J Shelton, and
Kyle Elrod, and
James W Janc, and
James M Clark, and
Ken Rice, and
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Kap-Sun Yeung, and
Nicholas A Meanwell, and
Dennis Hernandez, and
Andrew J Staab, and
Brian L Venables, and
Jeffrey R Spencer
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Kyle Elrod, and
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James M Clark, and
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Brian L Venables, and
Jeffrey R Spencer
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Emma J Shelton, and
Kyle Elrod, and
James W Janc, and
James M Clark, and
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Kyle Elrod, and
James W Janc, and
James M Clark, and
Ken Rice, and
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Nicholas A Meanwell, and
Dennis Hernandez, and
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