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Design and optimization of aniline-substituted tetrahydroquinoline C5a receptor antagonists
Journal article   Open access   Peer reviewed

Design and optimization of aniline-substituted tetrahydroquinoline C5a receptor antagonists

Yong Gong, J. Kent Barbay, Mieke Buntinx, Jian Li, Jean Van Wauwe, Concha Claes, Guy Van Lommen, Pamela J. Hornby and Wei He
Bioorganic & medicinal chemistry letters, v 18(14), pp 3852-3855
15 Jul 2008
PMID: 18595693
url
https://doi.org/10.7270/q2765f4xView
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Abstract

Aniline Antagonist C5aR Complement C5a Tetrahydroquinoline
A series of aniline-substituted tetrahydroquinoline C5aR antagonists with distinct structure-activity relationships are presented. A series of aniline-substituted tetrahydroquinoline C5a receptor antagonists were discovered. A functionality requirement of ortho substitution on the aniline was revealed. Secondary anilines, in general, outperformed tertiary analogs in inhibition of C5a-induced calcium mobilization. Further enhancement of activity was realized in the presence of an ortho hydroxyalkyl side chain. The functional IC 50 of selected analogs was optimized to the single-digit nanomolar level.

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Collaboration types
International collaboration
Web of Science research areas
Chemistry, Medicinal
Chemistry, Organic
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