Discovery Of The S1p2 Antagonist Glpg2938 (1-[2-Ethoxy-6-(Trifluoromethyl)-4-Pyridyl]-3-[[5-Methyl-6-[1-Methyl-3-( Trifluoromethyl)Pyrazol-4-Yl]Pyridazin-3-Yl]Methyl]Urea), A Preclinical Candidate For The Treatment Of Idiopathic Pulmonary Fibrosis
JOURNAL OF MEDICINAL CHEMISTRY(2021)
摘要
Mounting evidence from the literature suggests that blocking S1P2 receptor (S1PR2) signaling could be effective for the treatment of idiopathic pulmonary fibrosis (IPF). However, only a few antagonists have been so far disclosed. A chemical enablement strategy led to the discovery of a pyridine series with good antagonist activity. A pyridazine series with improved lipophilic efficiency and with no CYP inhibition liability was identified by scaffold hopping. Further optimization led to the discovery of 40 (GLPG2938), a compound with exquisite potency on a phenotypic IL8 release assay, good pharmacokinetics, and good activity in a bleomycin-induced model of pulmonary fibrosis.
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关键词
idiopathic pulmonary fibrosis,s1p2 antagonist glpg2938
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