期刊
MEDICINAL CHEMISTRY RESEARCH
卷 30, 期 3, 页码 685-701出版社
SPRINGER BIRKHAUSER
DOI: 10.1007/s00044-020-02670-w
关键词
Alzheimer's disease; Antioxidants; Anti-inflammatory; Cholinesterase inhibitor; Multi targeted ligands
资金
- University Grants Commission, New Delhi
A series of new tacrine analogs were synthesized and evaluated for their cholinesterase inhibitory activity, with some compounds showing comparable potency to tacrine. Docking studies revealed hydrogen bond interactions with the binding site for all molecules.
A Series of new tacrine analogs were designed, synthesized, characterized by respective spectral data and evaluated for cholinesterase inhibitory activity to be useful in Alzheimer's disease. Most of the synthesized compounds showed good in vitro inhibitory activities toward acetyl cholinesterase (AChE) and butyrylcholinesterase (BuChE) enzymes. Among the compounds, 6i, 6o and 6r with increased saturated carboxylic ring size attached to the pyridine moiety and having 3,4-dihydroxy, 3,4,5-trimethoxy substituents on the aromatic ring attached at the stereogenic center have shown equal potency to that of tacrine with IC(50)values 0.65 +/- 0.06, 1.32 +/- 0.02 and 0.85 +/- 0.05, 1.65 +/- 0.12 and 0.92 +/- 0.03, 1.91 +/- 0.12 mu M against AChE and BuChE, respectively. Standard drug tacrine exhibited IC50 values of 0.47 +/- 0.02 and 0.65 +/- 0.08, while Donepezil showed IC50 0.71 +/- 0.06 and 0.31 +/- 0.04 mu M against AChE and BuChE, respectively. Docking studies of all the molecules disclosed close hydrogen bond interactions with the binding site.
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