Discovery of <b>ANT3310</b>, a Novel Broad-Spectrum Serine β-Lactamase Inhibitor of the Diazabicyclooctane Class, Which Strongly Potentiates Meropenem Activity against Carbapenem-Resistant Enterobacterales and <i>Acinetobacter baumannii</i>
作者:David T. Davies、Simon Leiris、Magdalena Zalacain、Nicolas Sprynski、Jérôme Castandet、Justine Bousquet、Clarisse Lozano、Agustina Llanos、Laethitia Alibaud、Srinivas Vasa、Ramesh Pattipati、Ravindar Valige、Bhaskar Kummari、Srinivasu Pothukanuri、Cyntia De Piano、Ian Morrissey、Kirsty Holden、Peter Warn、Francesca Marcoccia、Manuela Benvenuti、Cecilia Pozzi、Giusy Tassone、Stefano Mangani、Jean-Denis Docquier、David Pallin、Richard Elliot、Marc Lemonnier、Martin Everett
DOI:10.1021/acs.jmedchem.0c01535
日期:2020.12.24
moiety as the warhead to react with the active serine residue in the active site of SBLs. The first in-class drug, avibactam, as well as several other recently approved DBOs (e.g., relebactam) or those in clinical development (e.g., nacubactam and zidebactam) potentiate activity of β-lactam antibiotics, to various extents, against carbapenem-resistant Enterobacterales (CRE) carrying class A, C, and D SBLs;
二氮杂双环辛烷(DBO)是一类丝氨酸β-内酰胺酶(SBL)抑制剂,它使用应变的尿素部分作为战斗部与SBLs活性位点中的活性丝氨酸残基反应。第一种同类药物avibactam以及最近批准的其他几种DBO(例如relebactam)或临床开发的DBO(例如nacubactam和zidebactam)在不同程度上都增强了β-内酰胺抗生素的抗碳青霉烯耐药性带有A,C和D类SBL的肠杆菌(CRE);然而,这些都不能挽救β-内酰胺抗生素对耐碳青霉烯的鲍曼不动杆菌的活性(CRAB)是一种WHO的“关键优先病原体”,可产生D类OXA型SBL。本文中,我们描述了化学优化和所形成的结构-活性关系,从而导致发现了一种新型DBO,即ANT3310,它独特地具有一个氟原子取代了羧酰胺,并且在恢复针对OXA-CRAB的碳青霉烯活性方面与当前DBO脱颖而出。以及携带SBL的CRE病原体。