Five 2-(2-Phenylethyl)chromones from Sodium Chloride-Elicited Aquilaria sinensis Cell Suspension Cultures
AbstractFive 2-(2-phenylethyl)chromones including a new one, (5S,6R,7S,8R)-5,8-dichloro-6,7-dihydroxy-2-phenylethyl-5,6,7,8-tetrahydro-4H-chromen-4-one (1), and four known ones (2–5), were isolated from 150 mM NaCl-elicited Aquilaria sinensis cell suspension cultures. In addition, three feruloyl amides (6–8), six nucleosides (9–14), (+)-syringaresinol (15), indole-3-carboxaldehyde (16), and two glycosides (17–18) were also obtained. The structures were unambiguously identified by analysis of their UV, IR, NMR, and HRESIMS data. The absolute configuration of the new 2-(2-phenylethyl)chromone (1) was established by a dimolybdenum tetraacetate-induced circular dichroism experiment. Compared to un-elicited cell lines, the appearance of 2-(2-phenylethyl)chromones in NaCl-treated cells occurred on the 3rd and 5th days of their treatment. 2-(2-Phenylethyl)chromones, feruloyl amides, nucleosides, and lignins have been reported to be closely related to plant defense; therefore, the identification of these compounds from NaCl-elicited A. sinensis cell suspension cultures would be useful for further exploring the mechanism of agarwood formation. View Full-Text
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Zhang, Z.; Wang, X.; Yang, W.; Wang, J.; Su, C.; Liu, X.; Li, J.; Zhao, Y.; Shi, S.; Tu, P. Five 2-(2-Phenylethyl)chromones from Sodium Chloride-Elicited Aquilaria sinensis Cell Suspension Cultures. Molecules 2016, 21, 555.
Zhang Z, Wang X, Yang W, Wang J, Su C, Liu X, Li J, Zhao Y, Shi S, Tu P. Five 2-(2-Phenylethyl)chromones from Sodium Chloride-Elicited Aquilaria sinensis Cell Suspension Cultures. Molecules. 2016; 21(5):555.Chicago/Turabian Style
Zhang, Zhongxiu; Wang, Xiaohui; Yang, Wanqing; Wang, Juan; Su, Cong; Liu, Xiao; Li, Jun; Zhao, Yunfang; Shi, Shepo; Tu, Pengfei. 2016. "Five 2-(2-Phenylethyl)chromones from Sodium Chloride-Elicited Aquilaria sinensis Cell Suspension Cultures." Molecules 21, no. 5: 555.
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