Synthesis and Antibacterial Activity of Novel Quaternary Ammonium Pyridoxine Derivatives
作者:Nikita Shtyrlin、Sergey Sapozhnikov、Sergey Koshkin、Alfiya Iksanova、Arthur Sabirov、Airat Kayumov、Aliya Nureeva、Marina Zeldi、Yurii Shtyrlin
DOI:10.2174/1573406411666150504122930
日期:2015.9.22
A series of 26 quaternary ammonium pyridoxine derivatives were synthesized and their cytotoxicity
and antibacterial activities against clinically relevant bacterial strains were tested in vitro.
The antibacterial activity of mono-ammonium salts increased with the rise of the lipophilicity and
compound 3,3,5-trimethyl-8,8-dioctyl-1,7,8,9-tetrahydro-[1,3]dioxino[5,4-d]pyrrolo[3,4-b]pyridin-8-
ium chloride (2d) reaches a maximum among them. Bis-ammonium salt of pyridoxine 4 with two dimethyloctylamine
groups also demonstrated high antibacterial activity despite lower lipophilicity. The
results of MTT assay indicated that HEK 293 cells were more sensitive than HSF to quaternary ammonium
pyridoxine derivatives. Compounds 2d and 4 did not induce the damage of the DNA and might be of interest in
the development of new antimicrobials.
合成了一系列26个季铵盐吡哆醇衍生物,并在体外测试了它们对临床相关细菌菌株的细胞毒性和抗菌活性。单季铵盐的抗菌活性随着亲脂性的增加而增强,其中3,3,5-三甲基-8,8-二辛基-1,7,8,9-四氢-[1,3]二氧杂环[5,4-d]吡咯[3,4-b]吡啶-8-氯化物(2d)的抗菌活性达到最高。含有两个二甲基辛胺基团的吡哆醇双季铵盐4虽然亲脂性较低,但也表现出较高的抗菌活性。MTT实验结果表明,HEK 293细胞对季铵盐吡哆醇衍生物的敏感性高于HSF细胞。化合物2d和4不会引起DNA损伤,可能在开发新型抗菌药物方面具有研究价值。