期刊
BIOORGANIC & MEDICINAL CHEMISTRY
卷 27, 期 12, 页码 2621-2628出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.bmc.2019.03.058
关键词
Spiropyrrolidines; Multicomponent 1,3-dipolar cycloaddition; AChE and BChE activity; Molecular docking simulation
资金
- Deanship of Scientific Research at King Saud University [RG-1440-071]
A small library of new class of dispiropyrrolidinyl-piperidone tethered indono[1,2-b]quinoxaline heterocyclic hybrids 7a-j were synthesized employing multicomponent 1,3-dipolar cycloaddition strategy in [bmim]Br. The azomethine ylide employed is first of its kind and generated in situ from indenoquinoxalinone and L-tryptophan, a combination that has not been employed previously for the in situ generation of azomethine ylides. The synthesized heterocyclic hybrids 7a-j were evaluated for their in vitro acetylcholinesterase (AChE) and butyrylcholinesterase (BChE) inhibitory activities, therein compounds 7h and 7j displayed more potent AChE and BChE enzyme inhibition than the standard drug with IC50 values of 3.22, 2.01, 12.40 and 10.45 mM, respectively. Molecular docking studies have also been investigated for most active compounds that disclosed interesting binding templates to the active site channel of cholinesterase enzyme.
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