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[Studies on the chemical constituents of the stems of Alyxia sinensis (I)].

Gang-Li Wang, Qing-yun Hou, Ji Zhang, Jimin Xu, Ji-feng Peng, Lin Rui-chao

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Abstract

OBJECTIVE: To demonstrate the chemical constituents of Alyxia sinensis. METHOD: Phytochmical experiment was carried out, using column chromatograph technologies. RESULT: Five compounds have been isolated from the petroleum ether soluble part of the stems of A. sinensis. Their structures have been elucidated respectively as heptatriacontane(1), octatriacontane(2), 20-noatriacontannone(3), 20-nonatriacontanone(4), 20-tetraacontanoe(5), physcion(6), emodin(7), chrysophanol(8), coumarin(9), stigmasterol acetate(10), beta-sitosterol acetate(11), lupeol(12), betulin(13), stigmasterol(14), beta-sitosterol(15), ursolic acid(16), oleanolic acid(17). CONCLUSION: All these compounds are firstly been isolated from A. sinensis. And compound 5-9, 10, 11 are also been separated from Alyxiae genus for the first time.

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OBJECTIVE: To demonstrate the chemical constituents of Alyxia sinensis. METHOD: Phytochmical experiment was carried out, using column chromatograph technologies. RESULT: Five compounds have been isolated from the petroleum ether soluble part of the stems of A. sinensis. Their structures have been elucidated respectively as heptatriacontane(1), octatriacontane(2), 20-noatriacontannone(3), 20-nonatriacontanone(4), 20-tetraacontanoe(5), physcion(6), emodin(7), chrysophanol(8), coumarin(9), stigmasterol acetate(10), beta-sitosterol acetate(11), lupeol(12), betulin(13), stigmasterol(14), beta-sitosterol(15), ursolic acid(16), oleanolic acid(17). CONCLUSION: All these compounds are firstly been isolated from A. sinensis. And compound 5-9, 10, 11 are also been separated from Alyxiae genus for the first time.

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Available abstract

OBJECTIVE: To demonstrate the chemical constituents of Alyxia sinensis. METHOD: Phytochmical experiment was carried out, using column chromatograph technologies. RESULT: Five compounds have been isolated from the petroleum ether soluble part of the stems of A. sinensis. Their structures have been elucidated respectively as heptatriacontane(1), octatriacontane(2), 20-noatriacontannone(3), 20-nonatriacontanone(4), 20-tetraacontanoe(5), physcion(6), emodin(7), chrysophanol(8), coumarin(9), stigmasterol acetate(10), beta-sitosterol acetate(11), lupeol(12), betulin(13), stigmasterol(14), beta-sitosterol(15), ursolic acid(16), oleanolic acid(17). CONCLUSION: All these compounds are firstly been isolated from A. sinensis. And compound 5-9, 10, 11 are also been separated from Alyxiae genus for the first time.

Key concepts: Stigmasterol, Lupeol, Emodin, Petroleum ether, Oleanolic acid, Chemistry, Betulin, Chromatography

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