Benzoic Acid Allopyranosides and Lignan Glycosides from the Twigs of Keteleeria Evelyniana

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Benzoic Acid Allopyranosides and Lignan Glycosides from the Twigs of Keteleeria evelyniana Wen Jun Hea,b, Zhao Hui Fua, Hong Jin Hana,HeYana,b, Guang Zhi Zenga, Chang Jiu Jia, Hong Biao Chua, Yu Mei Zhanga, and Ning Hua Tana a State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650204, Yunnan, P.R. China b Graduate School of the Chinese Academy of Sciences, Beijing 100049, P.R. China Reprint requests to Prof. Dr. Ning Hua Tan or Dr. Yu Mei Zhang. Fax: +86-871-5223800. E-mail: [email protected] or [email protected] Z. Naturforsch. 2011, 66b, 733 – 739; received February 25, 2011 Seven new compounds, including three benzoic acid allopyranosides keteleeroside A (1), keteleeroside B (2) and keteleeroside C (3), and four lignan glycosides 3 -demethylicariside E3 (4), isocupressoside B (5), 3-methoxyisocupressoside B (6), and isomassonianoside B (7), along with five known compounds (8 – 12), were isolated from the n-butanol part of the methanolicextractof the twigs of Keteleeria evelyniana. The structures of these compounds were elucidated mainly by the analysis of their NMR and MS data. All compounds were isolated from this genus for the first time. The skeleton of lignan glycoside 4 was isolated from the Pinaceae family for the first time. All compounds were evaluated for antimicrobial activity against Candida albicans and Staphylococcus aureus, and their cytotoxic activity against K562, HT-29, B16, BGC-823, BEL-7402, SGC-7901, U251, and A549 cancer cell lines was studied. Results indicated that none of the compounds showed antimicrobial or cytotoxic activity. Key words: Keteleeria evelyniana, Pinaceae, Benzoic Acid Allopyranosides, Lignan Glycosides.

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