Five new iridoid dimers from the fruits of Canthium subcordatum DC (syn. Psydrax subcordata DC)

被引：10
作者：
Joubouhi, Christelle [1 ]
Mabou, Florence Declaire [1 ]
Tebou, Perrin Lanversin Foning [1 ]
Ngnokam, David [1 ]
Harakat, Dominique [2 ]
Voutquenne-Nazabadioko, Laurence [3 ]
机构：
[1] Univ Dschang, Dept Chem, Fac Sci, Dschang, Cameroon
[2] CNRS, UMR 7312, ICMR, Serv Commun Anal, F-51687 Reims 2, France
[3] CNRS, UMR 7312, ICMR, Grp Isolement & Struct, F-51687 Reims 2, France
来源：
PHYTOCHEMISTRY LETTERS | 2015年 / 13卷
关键词：
Canthium subcordatum/Psydrax subcordata; Rubiaceae; Iridoid dimers; Canthiumoside; Structure elucidation; GLUCOSIDES; CONSTITUENTS; PLANTS;
D O I：
10.1016/j.phytol.2015.07.021
中图分类号：
Q94 [植物学];
学科分类号：
071001 ;
摘要：
Five new iridoid dimers, canthiumosides 1-5 (1-4 and 5a), together with nine known compounds, shanzhigenin methyl ester (6), 1-epishanzhigenin methyl ester (6'), linearin (7), 1-epilinearin (7'), mussaenoside (8), shanzhiside methyl ester (9), 3',4',7-trihydroxyflavone (10), betulinic acid (11), and oleanolic acid (12) were isolated from the fruits of Canthium subcordatum DC (Syn. Psydrax subcordata (DC) Bridson). The structures of these compounds were established by interpretation of their spectral data, mainly HR-TOFESIMS, 1D NMR (H-1, C-13 and DEPT) and 2D NMR (H-1-H-1 COSY, HSQC, HMBC, and NOESY), and by comparison with the literature. (C) 2015 Phytochemical Society of Europe. Published by Elsevier B.V. All rights reserved.
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收藏
页码：348 / 354
页数：7
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