Previously disclosed C6 amido and benzimidazole dihydropyrazolopyrimidines were potent and selective blockers of IKur current. Syntheses and SAR for C6 triazolo and imidazo dihydropyrazolopyrimidines series are described. Trifluoromethylcyclohexyl N(1) triazole, compound 51, was identified as a potent and selective Kv1.5 inhibitor with an acceptable PK and liability profile.
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| http://dx.doi.org/10.1016/j.bmcl.2013.01.064 | DOI Listing |
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