Orally bioavailable potent soluble epoxide hydrolase inhibitors

Hee Hwang Sung, Hsing Ju Tsai, Jun Yan Liu, Christophe Morisseau, Bruce D. Hammock

Research output: Contribution to journalArticlepeer-review

201 Scopus citations


A series of N,N′-disubstituted ureas having a conformationally restricted cis- or trans-1,4-cyclohexane α to the urea were prepared and tested as soluble epoxide hydrolase (sEH) inhibitors. This series of compounds showed low nanomolar to picomolar activities against recombinant human sEH. Both isomers showed similar potencies, but the trans isomers were more metabolically stable in human hepatic microsomes. Furthermore, these new potent inhibitors show a greater metabolic stability in vivo than previously described sEH inhibitors. We demonstrated that trans-4-[4-(3-adamantan-1-ylureido) cyclohexyloxy]benzoic acid 13g (t-AUCB, IC50 = 1.3 ± 0.05 nM) had excellent oral bioavailability (98%, n = 2) and blood area under the curve in dogs and was effective in vivo to treat hypotension in lipopolysaccharide challenged murine models.

Original languageEnglish (US)
Pages (from-to)3825-3840
Number of pages16
JournalJournal of Medicinal Chemistry
Issue number16
StatePublished - Aug 9 2007

ASJC Scopus subject areas

  • Organic Chemistry


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