Abstract
Phenotypic screening of an annotated small molecule library and initial SAR studies identified compound 2 as a robust enhancer of progranulin secretion. Detailed SAR development on conformationally restricted carbamate isosteres led to the identification of compound 60 with a 3-fold improvement in BV-2 potency and a 9-fold decrease in hERG inhibition over compound 2, substantially improving this important margin of safety relative to compound 2.
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