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A New Isorhamnetin Glycoside and Other Phenolic Compounds from Callianthemum taipaicum
College of Forestry, Northwest A & F University, Yangling 712100, China
Shanghai Chempartner Co., LTD, Shanghai 201203, China
* Author to whom correspondence should be addressed.
Received: 2 December 2011; in revised form: 3 April 2012 / Accepted: 6 April 2012 / Published: 17 April 2012
Abstract: A new flavonol glycoside together with five known phenolic compounds were isolated from the whole herb of Callianthemum taipaicum. The compounds were identified as isorhamnetin-3-O-α-L-arabinoside-7-O-β-D-glucoside (1), isorhamnetin-3-O-β-D-glucoside (2), dibutyl phthalate (3), (+)-1-hydroxylpinoresinol-4'-β-D-glucoside (4), pinoresinol-4'-O-β-D-glucoside (5) and 2-phenylethyl-β-primeveroside (6). Compound 1 was identified as a new flavonol glycoside. The compound 6 was isolated for the first time as natural product. All compounds were isolated for the first time from the Callianthemum genus. Furthermore, the 2D-NMR data of the four known compounds 2–5 are given for the first time in this paper. All the structures were identified on the basis of detailed spectral analysis. The compounds 1 and 4 exhibited certain antifungal activity.
Keywords: Callianthemum taipaicum; isorhamnetin glycoside; phenolic compounds; antifungal activity
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Wang, D.-M.; Pu, W.-J.; Wang, Y.-H.; Zhang, Y.-J.; Wang, S.-S. A New Isorhamnetin Glycoside and Other Phenolic Compounds from Callianthemum taipaicum. Molecules 2012, 17, 4595-4603.
Wang D-M, Pu W-J, Wang Y-H, Zhang Y-J, Wang S-S. A New Isorhamnetin Glycoside and Other Phenolic Compounds from Callianthemum taipaicum. Molecules. 2012; 17(4):4595-4603.
Wang, Dong-Mei; Pu, Wen-Jun; Wang, Yong-Hong; Zhang, Yu-Juan; Wang, Shan-Shan. 2012. "A New Isorhamnetin Glycoside and Other Phenolic Compounds from Callianthemum taipaicum." Molecules 17, no. 4: 4595-4603.