- Synthesis and SAR of thieno[3,2-b]pyridinyl urea derivatives as urotensin-II receptor antagonists
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The preparation and SAR profile of thieno[3,2-b]pyridinyl urea derivatives as novel and potent urotensin-II receptor antagonists are described. An activity optimization study, probing the effects of substituents on thieno[3,2-b]pyridinyl core and benzyl group of the piperidinyl moiety, led to the identification of p-fluorobenzyl substituted thieno[3,2-b]pyridinyl urea 6n as a highly potent UT antagonist with an IC50 value of 13 nM. Although 6n displays good metabolic stability and low hERG binding activity, it has an unacceptable oral bioavailability.
- Lim, Chae Jo,Oh, Seung Ae,Lee, Byung Ho,Oh, Kwang-Seok,Yi, Kyu Yang
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- Pyridine, pyrimidine, quinoline, quinazoline, and naphthalene urotensin-II receptor antagonists
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The present invention relates to urotensin II receptor antagonists, pharmaceutical compositions containing them and their use.
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