Rational design and synthesis of highly potent anti-acetylcholinesterase activity huperzine A derivatives |
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| Authors: | Jian Yan Lirong Sun Guisheng Wu Ping Yi Fumei Yang Lin Zhou Xianmin Zhang Zhongrong Li Xiaosheng Yang Huairong Luo Minghua Qiu |
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| Institution: | 1. State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, The Chinese Academy of Sciences, Kunming 650204, PR China;2. South China Botanical Garden, The Chinese Academy of Sciences, Guangzhou 510650, PR China;3. School of Basic Medical Sciences, Southern Medical University, Guangzhou 510515, PR China;4. The Key Laboratory of Chemistry for Natural Products of Guizhou Province and Chinese Academy of Sciences, Guizhou, 550002, PR China |
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| Abstract: | By targeting multi-active sites of acetylcholinesterase (AChE), a series of huperzine A (Hup A) derivatives with various aromatic ring groups were designed and synthesized by Schiff reaction. They were evaluated as AChE and butyrylcholinesterase (BChE) inhibitors. Results showed very significant specificity that the group of imine derivatives could inhibit TcAChE and hAChE, but no inhibitory effect on hBChE was detected. The experiment was explained by a docking study. In the docking model, we confirmed that aromatic ring of Hup A derivatives played the π–π stacking against aminophenol residues of AChE, and the structure–activity relationship (SAR) was discussed. |
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