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Sesquiterpenes of agarwood from Gyrinops salicifolia
Hang Shao1, Wen-Li Mei2, Fan-Dong Kong2
1Key Laboratory of Biology and Genetic Resources of Tropical Crops, Ministry of Agriculture, Institute of Tropical Bioscience and Biotechnology, Chinese Academy of Tropical Agricultural Sciences, Haikou 571101, Hainan, PR China; Horticultural and Garden College, Hainan University, Haikou 570228, China.
Abstract:
Six new sesquiterpenoids (1-6) and six known sesquiterpenoids (7-12) were isolated from agarwood originated from Gyrinops salicifolia Ridl. Most of them gave off aromatic odor, and all the compounds were isolated from this genus for the first time. The structures of 1-6 were elucidated by spectroscopic techniques (UV, IR, 1D and 2D NMR) and MS analysis, as well as by comparison with literature data. Compounds 1, 6 and 11-12 showed moderate acetylcholinesterase (AChE) inhibitory activity.

