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Use of Viral Entry Assays and Molecular Docking Analysis for the Identification of Antiviral Candidates against Coxsackievirus A16
Published on: July 15, 2019
Identified a morpholinyl-4-piperidinylacetic acid derivative as a potent oral active VLA-4 antagonist
Jun Chiba1, Nobuo Machinaga, Tohru Takashi
1Medicinal Chemistry Research Laboratory, Daiichi Pharmaceutical Co. Ltd, 16-13 Kitakasai 1-chome, Edogawa-ku, Tokyo 134-8630, Japan. chiba2mk@daiichipharm.co.jp
Abstract:
An investigation into the structure-activity relationship of a lead compound, prolyl-5-aminopentanoic acid 4, led to the identification of a novel series of 4-piperidinylacetic acid, 1-piperazinylacetic acid, and 4-aminobenzoic acid derivatives as potent VLA-4 antagonists with low nanomolar IC(50) values. A representative compound morpholinyl-4-piperidinylacetic acid derivative (13d: IC(50)=4.4 nM) showed efficacy in the Ascaris-antigen sensitized murine airway inflammation model by oral administration.
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