Novel substituted quinoxaline 1,4-dioxides with in vitro antimycobacterial and anticandida activity
作者:Antonio Carta、Giuseppe Paglietti、Mohammad E Rahbar Nikookar、Paolo Sanna、Leonardo Sechi、Stefania Zanetti
DOI:10.1016/s0223-5234(02)01346-6
日期:2002.5
nylsulphonyl-chloro-quinoxaline 1,4-dioxides belonging to series 3-6 were synthesised and submitted to a preliminary in vitro evaluation for antimycobacterial, anticandida and antibacterial activities. Antitubercular screening showed a generally good activity of 3-methyl-2-phenylthioquinoxaline 1,4-dioxides (3d,e,h-j) against Mycobacterium tuberculosis, and exhibited MIC between 0.39 and 0.78 microg
合成了属于3-6系列的36种6(7)-取代的3-甲基-或3-卤代甲基-2-苯基硫基-苯基磺酰基-氯喹喔啉1,4-二氧化物,并进行了初步的体外评估具有抗分枝杆菌,防霉和抗菌活性。抗结核筛选显示3-甲基-2-苯基硫代喹喔啉1,4-二氧化物(3d,e,hj)对结核分枝杆菌的总体活性良好,并且MIC在0.39至0.78 microg mL(-1)之间(利福平MIC = 0.25 microg mL(-1)),而在化合物4d,e,5a,b,d,e,l和6b-e,j,l中,MIC范围为1.56至6.25 microg mL(-1)。抗菌和防tic筛查结果表明,6e和6l分别对库氏假丝酵母(miconazole MIC = 0.9 microg mL(-1))和MIC分别为MIC = 0.4和1.9 microg mL(-1)和4i,5b,d, 6e,MIC = 3。