The wide-spectrum antimicrobial effect of novel N-alkyl monoquaternary ammonium salts and their mixtures; the QSAR study against bacteria
作者:Ondrej Soukup、Marketa Benkova、Rafael Dolezal、Radek Sleha、David Malinak、Sarka Salajkova、Aneta Markova、Michaela Hympanova、Lukas Prchal、Lenka Ryskova、Lenka Hobzova、Kristina Sepčić、Nina Gunde-Cimerman、Jan Korabecny、Daniel Jun、Vanda Bostikova、Pavel Bostik、Jan Marek
DOI:10.1016/j.ejmech.2020.112584
日期:2020.11
Quaternary ammonium salts (QASs) have been widely used for disinfection purposes because of their low price, high efficacy and low human toxicity for decades. However, precise mechanisms of action nor the powerful versatile agent against all antimicrobial species are known. In this study we have prepared 43 novel N-alkyl monoquaternary ammonium salts including 7 N,N-dialkyl monoquaternary ammonium salts
几十年来,季铵盐(QASs)价格低廉,功效高,对人体无害,已被广泛用于消毒目的。但是,已知精确的作用机理或针对所有抗菌剂的强大多功能剂。在这项研究中,我们制备了43种新颖的N-烷基单季铵盐,其中包括7个N,N-二烷基单季铵盐,这些盐的碳原子数分别为12、14或16个。我们已经与15种已经发表的QAS一起研究了所有水溶性化合物以及标准苯扎铵盐对G +和G细菌,厌氧孢子形成Cl的抗菌功效。艰难的,酵母,丝状真菌和包膜VZV。为了解决作用机理,亲脂性似乎是决定抗菌功效的关键参数,但是,可能会出现例外情况,因此我们对Q +和G细菌的功效进行了QSAR分析。我们表明,当分子较大,亲脂性更高,极性更小且包含更少的氧原子,与杂原子结合的甲基或与极化的碳原子结合的氢原子时,抗菌活性就更高。另外,从应用的角度来看,我们根据获得的各个化合物的效率配制了混合物,以接收广谱剂。所有配制的混合物完全消除了经测试的G