A new 2-(2-phenylethyl)chromone derivative in Chinese agarwood ‘Qi-Nan’ from Aquilaria sinensis
De‐Lan Yang, Hao Wang, Zhi‐Kai Guo, Wen-Hua Dong, Wen-Li Mei, Hao‐Fu Dai
Abstract
De‐Lan Yang, Hao Wang, Zhi‐Kai Guo, Wen-Hua Dong, Wen-Li Mei, Hao‐Fu Dai
Abstract
Phytochemical analysis of the high quality Chinese agarwood 'Qi-Nan' originating from Aquilaria sinensis (Lour.) Glig led to the isolation of a new 2-(2-phenylethyl)chromone derivative, qinanones G (1), and four known 2-(2-phenylethyl)chromones (2-5). Their structures were elucidated by spectroscopic techniques (UV, IR, 1D and 2D NMR) and MS analyses. The NMR data of chromones 1-3 were first reported, and chromones 2 and 3 showed weak inhibitory activity against acetylcholinesterase.
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Phytochemical analysis of the high quality Chinese agarwood 'Qi-Nan' originating from Aquilaria sinensis (Lour.) Glig led to the isolation of a new 2-(2-phenylethyl)chromone derivative, qinanones G (1), and four known 2-(2-phenylethyl)chromones (2-5). Their structures were elucidated by spectroscopic techniques (UV, IR, 1D and 2D NMR) and MS analyses. The NMR data of chromones 1-3 were first reported, and chromones 2 and 3 showed weak inhibitory activity against acetylcholinesterase.
Key concepts: Agarwood, Chromone, Chemistry, Phytochemical, Thymelaeaceae, Stereochemistry, Derivative (finance), Two-dimensional nuclear magnetic resonance spectroscopy