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Abstract
Two new selaginellin derivatives selaginellin P (1) and selaginellin Q (2) were isolated from Selaginella tamariscina. The structures of 1 and 2 were established as 2,4′-dihydroxy-4-methyl-3-[(4-hydroxyphenyl)ethynyl]biphene (1) and 2,4′-dihydroxy-3-[(4-hydroxyphenyl)ethynyl]biphene (2) on the basis of spectroscopic means including HR-ESI-MS, 1D, and 2D NMR experiments.
Disclosure statement
No potential conflict of interest was reported by the authors.
Additional information
Funding
This work was supported financially by grants from the National Natural Science Foundation of China [grant numbers 31370370 and 30873149], Science and Technology Program of Hunan Provincial Science and Technology Department [grant number 2013SK5077], Science and Technology Program of The Social Development of Hainan Provincial [grant number SF201419], and Doctoral Program Foundation of Institutions of Higher Education of China [grant number 20100162110057].