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Abstract
Three novel chalcones bearing a long-chain alkylphenol, galanganones A–C (1–3), were isolated from the rhizomes of Alpinia galanga. Their structures were elucidated by extensive spectroscopic analysis including 2D NMR experiments. Compounds 1–3 represent the first examples of long-chain alkylphenol-coupled chalcone.
Disclosure statement
No potential conflict of interest was reported by the authors.
Additional information
Funding
This work was financially supported by the National Natural Science Foundation of China [grant number 21362018]; Yunnan Provincial Natural Science Foundation [grant number 2013FZ101]; and the “Large-scale Compound Library” project of the National Development and Reform Commission of China.