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Journal of Asian Natural Products Research Volume 18, 2016 - Issue 12
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Original Articles

Three new biphenyls from the twigs of Garcinia tetralata and their anti-tobacco mosaic virus activity

Qiu-Fen HuKey Laboratory of Chemistry in Ethnic Medicinal Resources, State Ethnic Affairs Commission & Ministry of Education, Yunnan Minzu University, Kunming650031, ChinaCorrespondence[email protected]
,
Yue-De WangKey Laboratory of Chemistry in Ethnic Medicinal Resources, State Ethnic Affairs Commission & Ministry of Education, Yunnan Minzu University, Kunming650031, China
,
Dong-Lai ZhuTechnology Center, China Tobacco Yunnan Industry Company (Ltd.), Kunming650000, China
,
Zhen-Hua YuTechnology Center, China Tobacco Yunnan Industry Company (Ltd.), Kunming650000, China
,
Jian-Bo ZhanTechnology Center, China Tobacco Yunnan Industry Company (Ltd.), Kunming650000, China
,
Huan-Huan XingKey Laboratory of Chemistry in Ethnic Medicinal Resources, State Ethnic Affairs Commission & Ministry of Education, Yunnan Minzu University, Kunming650031, China
,
Hang-Ying MaTechnology Center, China Tobacco Yunnan Industry Company (Ltd.), Kunming650000, China
,
Yan YangKey Laboratory of Chemistry in Ethnic Medicinal Resources, State Ethnic Affairs Commission & Ministry of Education, Yunnan Minzu University, Kunming650031, China
,
Yin-Ke LiKey Laboratory of Chemistry in Ethnic Medicinal Resources, State Ethnic Affairs Commission & Ministry of Education, Yunnan Minzu University, Kunming650031, China;College of Resource and Environment, Yuxi Normal University, Yuxi653100, China
,
Zhang-Yu ChenTechnology Center, China Tobacco Yunnan Industry Company (Ltd.), Kunming650000, China
&
Xue-Mei GaoKey Laboratory of Chemistry in Ethnic Medicinal Resources, State Ethnic Affairs Commission & Ministry of Education, Yunnan Minzu University, Kunming650031, ChinaCorrespondence[email protected]
 show all
Pages 1115-1121 | Received 11 Dec 2015, Accepted 20 May 2016, Published online: 17 Jun 2016
 
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Abstract

Phytochemical investigations on the ethanol extract of the twigs of Garcinia tetralata resulted in the isolation of three new biphenyls, tetralatabiphenyls A–C (1–3), along with three known biphenyl derivatives (4–6). Structural elucidations of 1–3 were performed by spectroscopic methods such as 1D and 2D NMR spectra, in addition to high-resolution mass spectra. Compounds 1–6 were also evaluated for their anti-tobacco mosaic virus (anti-TMV) activity. The results showed that compound 3 showed high anti-TMV activity with inhibition rate of 31.1%. Compounds 1, 2, and 4–6 also showed modest anti-TMV activities with inhibition rates in the range of 18.9–24.5%, respectively.

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