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Updated: May 15, 2026

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Published on: August 1, 2018
Pyrazole-based arylalkyne cathepsin S inhibitors. Part III: modification of P4 region
John J M Wiener1, Alvah Tyson Wickboldt, Steven Nguyen
1Janssen Research & Development, L.L.C., 3210 Merryfield Row, San Diego, CA 92121, USA. Jwiener1@its.jnj.com
Abstract:
Novel classes of tetrahydropyrido-pyrazole thioether amines and arylalkynes that display potency against human Cathepsin S have been previously reported. Here, key pharmacophoric elements of these two classes are merged, and SAR investigations of the P4 region are described, in conjunction with re-optimization of the P5 and P1/P1'/P3 regions. Identification of meta-substituted arylalkynes with good potency and improved solubility is described.
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