The synthesis, structure-activity relationship (SAR) data, and further optimization of the metabolic stability and pharmacokinetic (PK) properties for a previously disclosed class of cyclopropyl-fused indolobenzazepine HCV NS5B polymerase inhibitors are described. These efforts led to the discovery of BMS-961955 as a viable contingency backup to beclabuvir which was recently approved in Japan for the treatment of HCV as part of a three drug, single pill combination marketed as Ximency.

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http://dx.doi.org/10.1016/j.bmcl.2017.06.024DOI Listing

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Discovery of BMS-961955, an allosteric inhibitor of the hepatitis C virus NS5B polymerase.

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Department of Discovery Chemistry and Molecular Technologies, Bristol-Myers Squibb Research and Development, 5 Research Parkway, Wallingford, CT 06492, United States.

The synthesis, structure-activity relationship (SAR) data, and further optimization of the metabolic stability and pharmacokinetic (PK) properties for a previously disclosed class of cyclopropyl-fused indolobenzazepine HCV NS5B polymerase inhibitors are described. These efforts led to the discovery of BMS-961955 as a viable contingency backup to beclabuvir which was recently approved in Japan for the treatment of HCV as part of a three drug, single pill combination marketed as Ximency.

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