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题名: Two new dihydrobenzofuran-type neolignans from Breynia fruticosa
作者: Li, Yan-Ping1, 2; Dong, Liao-Bin3; Chen, Duo-Zhi3; Li, Hong-Mei2; Zhong, Jin-Dong2; Li, Fei2; Liu, Xing2; Wang, Bei2; Li, Rong-Tao2
刊名: PHYTOCHEMISTRY LETTERS
关键词: Breynia fruticosa ; Dihydrobenzofuran-type neolignans ; Absolute configuration
英文摘要: (7S,8R,7'S)-9,7',9'-Trihydroxy-3,4-methylenedioxy-3'-methoxy[7-O-4',8-5']neolignan (1) and (7S,8R,7'S)-9,'0-dihydroxy-3,4-methylenedioxy-3',7'-dimethoxy [7-O-4',8-5'] neolignan (2), two new natural dihydrobenzofuran-type neolignans, along with 9,9'-dihydroxy-3,4-methylenedioxy-3'-methoxy [7-O-4',8-5'] neolignan (3) and (-)-machicendiol (4), were isolated from the whole plants of Breynia fruticosa. The structures of 1 and 2, including the absolute configurations, were determined by spectroscopic methods and circular dichroism (CD) techniques. The absolute configuration of 4 was confirmed by calculations of the OR spectrum, together with OR and ECD spectra of its p-bromobenzoate ester (4a). (C) 2013 Phytochemical Society of Europe. Published by Elsevier B. V. All rights reserved.
出版日期: 2013-05-01
卷号: 6, 期号:2, 页码:281-285
语种: 英语
收录类别: SCI
学科分类: Biochemistry & Molecular Biology; Plant Sciences
ISSN号: 1874-3900
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.kib.ac.cn/handle/151853/16443
Appears in Collections:植物化学与西部植物资源持续利用国家重点实验室_期刊论文

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作者单位: 1.Kunming Univ Sci & Technol, Fac Environm Sci & Engn, Kunming 650500, Peoples R China
2.Kunming Univ Sci & Technol, Fac Life Sci & Technol, Kunming 650500, Peoples R China
3.Chinese Acad Sci, Kunming Inst Bot, State Key Lab Phytochem & Plant Resources West Ch, Kunming 650204, Peoples R China

Recommended Citation:
Li, Yan-Ping; Dong, Liao-Bin; Chen, Duo-Zhi; Li, Hong-Mei; Zhong, Jin-Dong; Li, Fei; Liu, Xing; Wang, Bei; Li, Rong-Tao.Two new dihydrobenzofuran-type neolignans from Breynia fruticosa,PHYTOCHEMISTRY LETTERS,2013,6(2):281-285
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