Discovery of 2-Sulfinyl-Diazabicyclooctane Derivatives, Potential Oral β-Lactamase Inhibitors for Infections Caused by Serine β-Lactamase-Producing Enterobacterales
作者:Motohiro Fujiu、Katsuki Yokoo、Jun Sato、Satoru Shibuya、Kazuo Komano、Hiroki Kusano、Soichiro Sato、Toshiaki Aoki、Naoki Kohira、Sachi Kanazawa、Ryosuke Watari、Tomoyuki Kawachi、Yuya Hirakawa、Daiki Nagamatsu、Emi Kashiwagi、Hideki Maki、Kenji Yamawaki
DOI:10.1021/acs.jmedchem.1c00799
日期:2021.7.8
viewpoints of medical cost and burden of healthcare personnel, oral therapy offers many advantages. In our search for novel diazabicyclooctane (DBO) BLIs possessing a thio-functional group at the C2 position, we discovered a 2-sulfinyl-DBO derivative (2), which restores the antibacterial activities of an orally available third-generation cephalosporin, ceftibuten (CTB), against various serine β-lactamase-producing
β-内酰胺和β-内酰胺酶抑制剂(BLI)的共同给药是治疗β-内酰胺耐药革兰氏阴性菌引起的细菌感染的成熟治疗措施之一,而对于口服活性BLI,克拉维酸只有两种选择和舒巴坦。此外,由于新的 β-内酰胺酶(包括属于 A 类 β-内酰胺酶、C 类和 D 类 β-内酰胺酶以及碳青霉烯酶的超广谱 β-内酰胺酶 (ESBL))的传播,这些 BLI 正在失去其临床用途。这些经典 BLI 几乎或不受抑制。从医疗费用和医护人员负担的角度来看,口服疗法具有许多优势。在我们寻找在 C2 位具有硫基官能团的新型二氮杂双环辛烷 (DBO) BLI 时,我们发现了一种 2-亚磺酰基-DBO 衍生物(2 ),它恢复了口服可用的第三代头孢菌素头孢布坦 (CTB) 对各种丝氨酸 β-内酰胺酶产生菌株的抗菌活性,包括耐碳青霉烯的肠杆菌科 (CRE)。它可以通过酯前药修饰口服吸收,并在与 CTB 组合时表现出体内功效。