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Discovery of BMS-753426: A Potent Orally Bioavailable Antagonist of CC Chemokine Receptor 2.

ABSTRACT: To improve the metabolic stability profile of BMS-741672 (1a), we undertook a structure-activity relationship study in our trisubstituted cyclohexylamine series. This ultimately led to the identification of 2d (BMS-753426) as a potent and orally bioavailable antagonist of CCR2. Compared to previous clinical candidate 1a, the tert-butyl amine 2d showed significant improvements in pharmacokinetic properties, with lower clearance and higher oral bioavailability. Furthermore, compound 2d exhibited improved affinity for CCR5 and good activity in models of both monocyte migration and multiple sclerosis in the hCCR2 knock-in mouse. The synthesis of 2d was facilitated by the development of a simplified approach to key intermediate (4R)-9b that deployed a stereoselective reductive amination which may prove to be of general interest.

SUBMITTER: Yang MG 

PROVIDER: S-EPMC8201760 | biostudies-literature | 2021 Jun

REPOSITORIES: biostudies-literature

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To improve the metabolic stability profile of BMS-741672 (<b>1a</b>), we undertook a structure-activity relationship study in our trisubstituted cyclohexylamine series. This ultimately led to the identification of <b>2d</b> (BMS-753426) as a potent and orally bioavailable antagonist of CCR2. Compared to previous clinical candidate <b>1a</b>, the <i>tert</i>-butyl amine <b>2d</b> showed significant improvements in pharmacokinetic properties, with lower clearance and higher oral bioavailability. F  ...[more]

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