Journal
BIOORGANIC & MEDICINAL CHEMISTRY LETTERS
Volume 25, Issue 16, Pages 3105-3111Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.bmcl.2015.06.018
Keywords
Anti-diabetic agents; Hypoglycemia; Glucose-stimulated insulin secretion; Free fatty acid receptor agonists; Hit expansion; Agonists; ADME profile; Cytochrome inhibition
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Funding
- Russian Scientific Fund [14-50-00069]
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A screening hit that showed a weak (EC50 = 18 mu M), partial agonistic effect on GPR40 was used a prototype for expedited hit expansion effort using a set of advanced building blocks. The latter yielded several 1,3-oxazoles and 1,2,4-oxadiazoles with significantly improved potency (best EC50 = 0.058 mu M). The lead compounds in each chemotype showed a very good ADME profile (aqueous solubility, plasma protein binding, microsomal stability and membrane permeability) and no appreciable inhibition of key cytochromes P450. The compounds reported are significant new starting points for further preclinical development of future diabetic agents with a mechanism of action for which a first-in-class agent is yet to be approved. (C) 2015 Elsevier Ltd. All rights reserved.
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