期刊
BIOORGANIC & MEDICINAL CHEMISTRY LETTERS
卷 21, 期 24, 页码 7246-7250出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.bmcl.2011.10.057
关键词
Oxadiazoles; Antimicrobial agents; Antitubercular agents; Molecular properties prediction; Lipinski 'Rule of five'
In the present investigation, a series of 1,5-dimethyl-2-phenyl-4-{[(5-aryl-1,3,4-oxadiazol-2-yl) methyl] amino}-1,2-dihydro-3H-pyrazol-3-one were subjected to molecular properties prediction, drug-likeness by Molinspiration (Molinspiration, 2008) and MolSoft (MolSoft, 2007) software, lipophilicity and solubility parameters using ALOGPS 2.1 program. The compounds followed the Lipinski 'Rule of five' were synthesized for antimicrobial and antitubercular screening as oral bioavailable drugs/leads. Maximum drug-likeness model score (0.95) was found for compound, 4a. All the synthesized compounds were characterized by IR, NMR and mass spectral analysis followed by antimicrobial and antimycobacterial screening. Among the title compounds, compound 4d showed pronounced activity against Mycobacterium tuberculosis H(37)Rv and isoniazid resistant M. tuberculosis (INHR-TB) with minimum inhibitory concentrations (MICs) 0.78 mu M and 1.52 mu M, respectively. The compound, 4a showed maximum activity against all bacterial strains with MIC 4-8 mu g/mL comparable to standard drug ciprofloxacin, while the compounds, 4e and 4k showed maximum antifungal activity with MIC 8-16 mu g/mL less active than standard drug fluconazole. (C) 2011 Elsevier Ltd. All rights reserved.
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