A-Ring-Modified Triterpenoids and Their Spermidine–Aldimines with Strong Antibacterial Activity

Molbank

JeanMichel Brunel¹  Sophie Negrel¹  ElmiraF. Khusnutdinova²  AnastasiyaV. Petrova²  OxanaB. Kazakova²  TatyanaV. Lopatina²  GulnaraV. Giniyatullina² 

[1] Aix Marseille Université, INSERM, SSA, MCT, 13385 Marseille, France;Ufa Institute of Chemistry of the Ufa Federal Research Centre of the Russian Academy of Sciences, 71 pr. Oktyabrya, Ufa 450054, Russia;

关键词: triterpenoids;    lupane;    oleanane;    ursane;    spermidine;    spermine;    squalamine;    antimicrobial activity;    Gram-positive bacteria;    Gram-negative bacteria;   

DOI  :  10.3390/M1078

来源: DOAJ

【 摘 要 】

Synthesis of A-ring-modified lupane, oleanane and ursane type triterpenoid conjugates with spermidine through an aldimine linkage or diethylentriamine via an amide bond is described. These derivatives were evaluated for their in vitro antimicrobial properties against human pathogens. Except for derivatives 1 and 7, all compounds have moderate to weak minimum inhibitory concentrations (MICs) against Gram-positive Staphylococcus aureus bacteria, with MICs varying from 3.125 to 200 µM. Compound 11 is efficient against Escherichia coli and Pseudomonas aeruginosa, with MICs of 25 and 50 µM, respectively, while all other derivatives do not possess important antimicrobial activities against these Gram-negative bacteria.

【 授权许可】

Unknown