Second-Generation Highly Potent and Selective Inhibitors of the Hepatitis C Virus NS3 Serine Protease
摘要:
The hepatitis C virus (HCV) infection is a leading cause of chronic liver disease. The moderate efficacy along with side effects of the current pegylated interferon and ribavirin combination therapy underscores the need for more effective and safer new treatment. In an effort to improve upon our current clinical candidate, Boceprevir (SCH 503034), extensive SAR studies were performed on the P3 capping moieties. This led to the discovery of tert-leucinol derived cyclic imides as a potent series of novel P3 capping groups. Thus, the introduction of these imide caps improved the cell-based replicon EC90 by more than 10-fold. A number of imides with various substitutions, ring sizes, bicyclic systems, and heterocyclic rings were explored. The 4,4-dimethyl substituted glutarimide emerged as the best cap as exemplified in compound 21 (K-i* = 4 nM, EC90 = 40 nM). Systematic optimization of different positions (P', P3, and P1) of the inhibitor resulted in the identification of the lead compound 46, which had an excellent potency (K-i* = 4 nM, EC90 = 30 nM) and good pharmacokinetic profile (22% and 35% bioavailability in rats and dogs, respectively). X-ray structure of inhibitor 46 bound to the enzyme revealed that there was an additional hydrogen bonding interaction between one of the imide carbonyls and Cys159.
Novel synthesis of sterically hindered N-substituted lactams from imides
作者:Mousumi Sannigrahi、Patrick Pinto、T.M. Chan、Neng-Yang Shih、F. George Njoroge
DOI:10.1016/j.tetlet.2006.05.037
日期:2006.7
An efficient and practical synthesis of sterically hindered N-substituted lactams has been developed starting from simple starting materials. The stereochemistry of the synthetically useful N,N acetal intermediate has been established.
Macrocyclic Inhibitors of Hepatitis C Virus NS3 Serine Protease
申请人:Venkatraman Srikanth
公开号:US20110150835A1
公开(公告)日:2011-06-23
The present invention discloses novel compounds which have HCV protease inhibitory activity as well as methods for preparing such compounds. In another embodiment, the invention discloses pharmaceutical compositions comprising such compounds as well as methods of using them to treat disorders associated with the HCV protease.
US7342041B2
申请人:——
公开号:US7342041B2
公开(公告)日:2008-03-11
US7592419B2
申请人:——
公开号:US7592419B2
公开(公告)日:2009-09-22
[EN] HYDRAZIDO-PEPTIDES AS INHIBITORS OF HCV NS3-PROTEASE<br/>[FR] PEPTIDES HYDRAZIDO EN TANT QU'INHIBITEURS DE LA PROTÉASE NS3 DU HCV
申请人:SCHERING CORP
公开号:WO2008118332A2
公开(公告)日:2008-10-02
[EN] The present invention discloses novel compounds, which have HCV protease inhibitory activity as well as methods for preparing such compounds. In another embodiment, the invention discloses pharmaceutical compositions comprising such compounds as well as methods of using them to treat disorders associated with the HCV protease. [FR] La présente invention concerne de nouveaux composés ayant une activité inhibitrice de la protéase du HCV ainsi que des procédés pour les préparer. Dans un autre mode de réalisation, l'invention décrit des compositions pharmaceutiques comprenant ces composés ainsi que leurs procédés d'utilisation pour traiter les troubles associés à la protéase du HCV.