Two new anthraquinone derivatives and one new triarylbenzophenone analog from Selaginella tamariscina

Rui Liu, Hui Zou, Zhen-Xing Zou, Fei Cheng, Xia Yu, Ping-Sheng Xu, Xiao-Min Li, Dai Li, &
Two new anthraquinone derivatives, selaginones A (1) and B (2), and one new triarylbenzophenone analog, selagibenzophenone B (3), were isolated from Selaginella tamariscina (Beauv.) Spring. Their structures were established by 1D-, 2D-NMR and HR-ESI-MS data. Compounds 1 and 2 represent the uncommon examples of aryl substituted anthraquinone derivatives. Especially, compound 2 is a unique anthranone with exceptional structural feature, in which a p-hydroxyphenyl moiety is attached to the C-10 position. Compound 3 is the second...
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