search for a new class of potential antimicrobial agents, five novel N-substituted imidazole 2-aldoximes and their six quaternary salts were evaluated. The antimicrobialactivity was assessed against a panel of representative Gram-positive and Gram-negative bacteria, including multidrugresistantbacteria. All compounds demonstrated potent in vitro activityagainst the tested microorganisms, with MIC
Identification of novel imidazole flavonoids as potent and selective inhibitors of protein tyrosine phosphatase
作者:Ling Zhang、Yu Ge、Qing Ming Wang、Cheng-He Zhou
DOI:10.1016/j.bioorg.2019.03.074
日期:2019.7
imidazole flavonoids as new type of proteintyrosinephosphataseinhibitors were synthesized and characterized. Most of them gave potent proteinphosphatase 1B (PTP1B) inhibitory activities. Especially, compound 11a could effectively inhibit PTP1B with an IC50 value of 0.63 μM accompanied with high selectivity ratio (9.5-fold) over T-cell proteintyrosinephosphatase (TCPTP). This compound is cell permeable
Synthesis and In Vitro Antimicrobial SAR of Benzyl and Phenyl Guanidine and Aminoguanidine Hydrazone Derivatives
作者:Wolfgang Dohle、Xiangdong Su、Yamni Nigam、Edward Dudley、Barry V. L. Potter
DOI:10.3390/molecules28010005
日期:——
A series of benzyl, phenyl guanidine, and aminoguandine hydrazone derivatives was designed and in vitro antibacterial activities against two different bacterial strains (Staphylococcus aureus and Escherichia coli) were determined. Several compounds showed potent inhibitory activity against the bacterial strains evaluated, with minimal inhibitory concentration (MIC) values in the low µg/mL range. Of