Complete assignments of  1 H and  13 C NMR data for two 3β,8β‐epoxymexicanolides from the fruit of a Chinese mangrove  Xylocarpus granatum | Zendy

Wu Jun | Zendy; Xiao Zhihui | Zendy; Song Yang | Zendy; Zhang Si | Zendy; Xiao Qiang | Zendy; Ma Cha | Zendy; Ding Haixin | Zendy; Li Qingxin | Zendy

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Complete assignments of 1 H and 13 C NMR data for two 3β,8β‐epoxymexicanolides from the fruit of a Chinese mangrove Xylocarpus granatum

Author(s) -

Wu Jun,

Xiao Zhihui,

Song Yang,

Zhang Si,

Xiao Qiang,

Ma Cha,

Ding Haixin,

Li Qingxin

Publication year - 2006

Publication title -

magnetic resonance in chemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.483

H-Index - 72

eISSN - 1097-458X

pISSN - 0749-1581

DOI - 10.1002/mrc.1713

Subject(s) - chemistry , mangrove , two dimensional nuclear magnetic resonance spectroscopy , carbon 13 nmr , heteronuclear single quantum coherence spectroscopy , stereochemistry , proton nmr , confusion , nmr spectra database , spectral line , physics , astronomy , psychoanalysis , ecology , biology , psychology

Three 3β,8β‐epoxymexicanolides, including xyloccensin K, 6‐acetoxycedrodorin and a new one named xyloccensin W, were isolated from the fruit of a Chinese mangrove Xylocarpus granatum . Their structures were determined by spectroscopic analyses. The first complete assignment of 1 H and 13 C NMR data for xyloccensin W was achieved by means of 2D NMR techniques, including 1 H‐ 1 H COSY, HSQC, HMBC and NOESY spectra. In addition, the confusion of 1 H and 13 C NMR data previously reported for xyloccensin K was clarified. Copyright © 2005 John Wiley & Sons, Ltd.

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