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Updated: Sep 24, 2025
Quantitative Structure-Activity Relationship, Activity Prediction, and Molecular Dynamics of Non-nucleotide Reverse Transcriptase Inhibitors
Published on: May 9, 2025
Design, synthesis, and evaluation of new vanin-1 inhibitors based on RR6
Hiroki Yoneyama1, Keiko Hosohata2, Denan Jin3
1Department of Pharmaceutical Organic Chemistry, Faculty of Pharmacy, Osaka Medical and Pharmaceutical University, 4-20-1Nasahara, Takatsuki City, Osaka 569-1094, Japan.
Abstract:
Fourteen novel vanin-1 inhibitors coded OMP-# were designed from RR6 and successfully synthesized by a nucleophilic addition-elimination reaction of the pantetheinic acid-derived Weinreb amide as a key step under Barbier conditions. The synthesized OMP compounds exhibited inhibitory activity against human serum vanin-1 in vitro. Among the synthesized compounds, OMP-7, which possesses a trifluoromethoxy group at the para-position on the phenyl ring, exhibited the most potent activity, approximately 20 times that of the mother compound RR6. OMP-7 was further subjected to an in vivo assay using a normal hamster. More potent activity was observed than that of RR6 against both serum and renal vanin-1. The activity lasted for 4 h after injection against serum vanin-1 and 1 h after injection against renal vanin-1, whereas RR6 did not show the desired activity.
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