2005
DOI: 10.1002/mrc.1713
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Complete assignments of 1H and 13C NMR data for two 3β,8β‐epoxymexicanolides from the fruit of a Chinese mangrove Xylocarpus granatum

Abstract: Three 3beta,8beta-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 … Show more

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Cited by 20 publications
(25 citation statements)
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“…Previously anthraquinones, flavonoids, tannins and saponins have been reported from the methanol extract by our group (Uddin et al, 2004). Earlier a number of limonoids has been isolated (Wu et al, 2006). Though several constituents were present in the extract, the compound responsible for the observed actions is unknown.…”
Section: Discussionmentioning
confidence: 99%
“…Previously anthraquinones, flavonoids, tannins and saponins have been reported from the methanol extract by our group (Uddin et al, 2004). Earlier a number of limonoids has been isolated (Wu et al, 2006). Though several constituents were present in the extract, the compound responsible for the observed actions is unknown.…”
Section: Discussionmentioning
confidence: 99%
“…Investigations on the stem bark and fruit of the Xylocarpus plants have revealed the presence of a number of limonoids (Alvi, Crews, Aalbersberg, & Prasad, 1991;Cui et al, 2005;Udom et al, 1996;Wu et al, 2006;Yin et al, 2006;Zhou, Cheng, Wu, & Zhou, 2006). The extracts of the X. granatum fruits have showed antiviral, anticancer and antifeedant activities (Rouf, Uddin, Shilpi, & Alamgir, 2007;Zaridah, Idid, Omar, & Khozirah, 2001).…”
Section: Introductionmentioning
confidence: 95%
“…Fruits : Triterpenoids : limonoids and protolimonoids [224,225,226,227,228,229,230,231,232,233,234], butyrospermol fatty acid esters [229]; Sterols : daucosterol [224], β-sitosterol fatty acid esters [229]; Peptide : aurantiamide [224]; Flavonoid : catechin [224]; Sesquiterpenoid : abscisic acid [224]; Benzoic acids : 4-hydroxybenzoic acid, ethyl 3,4-dihydroxybenzoate [224]; Alkaloids : xylogranatinin [234], granatoin [226];α-Tocopherol (vitamin E) [224]. …”
Section: Traditional Antidiarrhoeal Plants From Bangladeshmentioning
confidence: 99%
“…Triterpenoids : limonoids and protolimonoids [224,225,226,227,228,229,230,231,232,233,234], butyrospermol fatty acid esters [229];…”
Section: Traditional Antidiarrhoeal Plants From Bangladeshmentioning
confidence: 99%