ジャーナル: Org Biomol Chem / 年: 2026 タイトル: Design, synthesis, and structural analysis of an inhibitor of the gastric proton pump with a diaza-tricyclic skeleton. 著者: Nariyoshi Umekubo / Airi Hashizume / Haruki Saito / Satoru Kato / Chisato Kanai / Chai C Gopalasingam / Christoph Gerle / Hideki Shigematsu / Atsushi Yoshimori / Kazuhiro Abe / Satoshi Yokoshima / 要旨: The development of potent K-competitive acid blockers (P-CABs) as inhibitors of acid gastric secretion attracts much research attention. In this study, the structure-guided design and ...The development of potent K-competitive acid blockers (P-CABs) as inhibitors of acid gastric secretion attracts much research attention. In this study, the structure-guided design and enantioselective synthesis of P-CABs yielded a diaza-tricyclic compound with moderate inhibitory activity against the gastric proton pump. The eutomer was experimentally confirmed, consistent with pharmacophore predictions, and its binding mode to the gastric proton pump was elucidated cryo-electron microscopy.
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