期刊
CHEMICAL BIOLOGY & DRUG DESIGN
卷 86, 期 5, 页码 1115-1120出版社
WILEY
DOI: 10.1111/cbdd.12579
关键词
pyrido[2,3-b]pyrazines; acetophenone derivatives; acetylcholinesterase; butyrylcholinesterase; cholinesterases; diaminopyridine
资金
- Higher Education Commission (HEC), Pakistan (under NRPU) [20-1910]
- Jurgen Manchot Foundation, Dusseldorf, Germany
Cholinesterases, acetylcholinesterase (AChE) and butyrylcholinesterase (BChE), have a role in cholinergic deficit which evidently leads to Alzheimer's disease (AD). Inhibition of cholinesterases with small molecules is an attractive strategy in AD therapy. This study demonstrates synthesis of pyrido[2,3-b(pyrazines (6a-6q) series, their inhibitory activities against both cholinesterases, AChE and BChE, and molecular docking studies. The bioactivities data of pyrido[2,3-b(pyrazines showed 3-(3'-nitrophenyl)pyrido[2,3-b(pyrazine 6n a potent dual inhibitor among the series against both AChE and BChE with IC50 values of 0.466 +/- 0.121 and 1.89 +/- 0.05 mu M, respectively. The analogues 3-(3'-methylphenyl) pyrido[2,3-b(pyrazine 6c and 3-(3'-fluorophenyl) pyrido[2,3-b(pyrazine 6f were found to be selective inhibition for BChE with IC50 values of 0.583 +/- 0.052 mu M and AChE with IC50 value of 0.899 +/- 0.10 mu M, respectively. Molecular docking studies of the active compounds suggested the putative binding modes with cholinesterases. The potent compounds among the series could potentially serves as good leads for the development of new cholinesterase inhibitors.
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