Abstract:
:In humans, bitter taste is mediated by 25 TAS2Rs. Many compounds, including certain active pharmaceutical ingredients, excipients, and nutraceuticals, impart their bitter taste (or in part) through TAS2R8 activation. However, effective TAS2R8 blockers that can either suppress or reduce the bitterness of these compounds have not been described. We are hereby reporting a series of novel 3-(pyrazol-4-yl) imidazolidine-2,4-diones as potent and selective TAS2R8 antagonists. In human sensory tests, S6821 and S7958, two of the most potent analogues from the series, demonstrated efficacy in blocking TAS2R8-mediated bitterness and were selected for development. Following data evaluation by expert panels of a number of national and multinational regulatory bodies, including the US, the EU, and Japan, S6821 and S7958 were approved as safe under conditions of intended use as bitter taste blockers.
journal_name
J Med Chemjournal_title
Journal of medicinal chemistryauthors
Fotsing JR,Darmohusodo V,Patron AP,Ching BW,Brady T,Arellano M,Chen Q,Davis TJ,Liu H,Servant G,Zhang L,Williams M,Saganich M,Ditschun T,Tachdjian C,Karanewsky DSdoi
10.1021/acs.jmedchem.0c00388subject
Has Abstractpub_date
2020-05-14 00:00:00pages
4957-4977issue
9eissn
0022-2623issn
1520-4804journal_volume
63pub_type
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