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Journal of Asian Natural Products Research Volume 18, 2016 - Issue 12
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Two new lignan glycosides from the fruits of Pyrus ussuriensis

Ze-Qing ZhaoTianjin Key Laboratory for Modern Drug Delivery and High-Efficiency, School of Pharmaceutical Science and Technology, Tianjin University, Tianjin300072, China
,
Yan-Fang SuTianjin Key Laboratory for Modern Drug Delivery and High-Efficiency, School of Pharmaceutical Science and Technology, Tianjin University, Tianjin300072, China;Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin300072, ChinaCorrespondence[email protected]
,
Fei YangTianjin Key Laboratory for Modern Drug Delivery and High-Efficiency, School of Pharmaceutical Science and Technology, Tianjin University, Tianjin300072, China
,
Xiu-Mei GaoSchool of Chinese Materia Medica, Tianjin University of Traditional Chinese Medicine, Tianjin300193, China
&
Tian-Xiang LiSchool of Chinese Materia Medica, Tianjin University of Traditional Chinese Medicine, Tianjin300193, China
Pages 1151-1157 | Received 26 Oct 2015, Accepted 03 Jul 2016, Published online: 20 Jul 2016
 
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Abstract

Two new lignan glycosides, ussuriensislignan A (1) and ussuriensislignan B (2), together with seventeen known compounds (3–19), were isolated from the fruits of Pyrus ussuriensis. Their structures were determined by various spectroscopic methods. This is the first report of the isolation of lignans (compounds 1–3) from the genus Pyrus, and compounds 3–6, 12–16 were reported from Pyrus for the first time.

Acknowledgment

We are grateful to Prof. Benjamin Clark for polishing the language.

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