نتایج جستجو برای: antitubercular agents
تعداد نتایج: 361077 فیلتر نتایج به سال:
Considering quinoxaline as a privileged structure for the design of potent intercalating agents, some new sugar conjugates of quinoxaline were synthesized and characterized by IR, (1)HNMR, (13)C NMR, and mass spectral data. In vitro testing for antitubercular and antimicrobial activities was performed against Mycobacterium tuberculosis H 37 Rv and some pathogenic bacteria. Results revealed that...
Demethoxycurcumin, isolated from the rhizomes of Curcuma longa, was found to possess antitubercular activity against Mycobacterium tuberculosis H (37)Rv strain at 200 microg/mL. Derivatisation of this active principle yielded a potent agent 6, exhibiting considerable activity with a minimum inhibitory concentration (MIC) value of 7.8 microg/mL. H (37)Rv:Mycobacterium tuberculosis H (37)Rv strai...
In this study, eight new ethyl {2-[3,4-diaryl-3H-thiazol-2ylidenamino]thiazol-4-yl}acetate were synthesized by reacting ethyl [2-(3-aryl(thiouredio)thiazol-4-yl]acetate and phenacyl bromides in ethanol. The solid was filtered and recrystallized from ethanol. The chemical structures of the synthesized compounds were proven by elemental analysis, IR, 1H-NMR and MS spectral data. The compounds wer...
Spectinamides are a novel class of antitubercular agents with the potential to treat drug-resistant tuberculosis infections. Their antitubercular activity is derived from both ribosomal affinity and their ability to overcome intrinsic efflux mediated by the Mycobacterium tuberculosis Rv1258c efflux pump. This study explores the structure-activity relationships through analysis of 50 targeted sp...
Insertion profiles of antitubercular drugs isoniazid (INH), rifampicin (RFM) and ethambutol (ETH) into dipalmitoylphosphatidylcholine (DPPC) membrane models were evaluated by Langmuir monolayer technique. Maximum drug insertion into DPPC monolayer was observed with rifampicin with a surface pressure increase (Deltapi(max)) in the range of 21-33 mN/m depending upon rifampicin concentration. Ison...
BACKGROUND Psoas abscess complicating tuberculous spondylitis is a rare morbidity in extrapulmonary tuberculosis. There are no established guidelines for evaluating the clinical response of psoas abscess. Although several studies have shown that positron emission tomography-computed tomography with 18 F-fluorodeoxyglucose can play a potential role in diagnosing multifocal tuberculosis and monit...
Cyclodipeptides, called 2,5-diketopiperazines (2,5-DKPs), are obtained by the condensation of two amino acids. Fungi have been considered to be a rich source of novel and bioactive cyclodipeptides. This review highlights the occurrence, structures and biological activities of the fungal cyclodipeptides with the literature covered up to July 2017. A total of 635 fungal cyclodipeptides belonging ...
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