The design and synthesis of a series of substituted heteroaromatic α4β2α5 positive allosteric modulators is reported. The optimization and development of the heteroaromatic series was carried out from NS9283, and several potent analogues, such as 3-(5-(pyridin-3-yl)-2H-tetrazol-2-yl)benzonitrile (5k) and 3,3'-(2H-tetrazole-2,5-diyl)dipyridine (12 h) with good in vitro efficacy were discovered.
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| http://dx.doi.org/10.1016/j.bmcl.2013.11.049 | DOI Listing |
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