Xanthones from Hypericum Sampsonii

Chia Nan University of Pharmacy & Science Institutional Repository > 嘉南學報 > 12期 (1986) > Item 310902800/25053

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標題:	Xanthones from Hypericum Sampsonii
作者:	Ming-Tyan Chen Chiu-Ming Chen
貢獻者:	應用化學科
日期:	1986
上傳時間:	2012-02-24 16:04:37 (UTC+8)
摘要:	Hypericum sampsonii Hance contains mangiferin, isomangiferin,2-hydroxy-3,4-dimethoxyxanthone, toxyloxanthone B, and a new compound,hyperxanthone, which was identified as 5,9-dihydroxy-3,3-dimethylpyrano- [3,2-a]xanthen-12(3H)-one on the basis of spectroscopic evidences.Characteristic fragment ions in the mass spectrum of pyranoxanthone are discussed.
關聯:	嘉南學報 12：p.A25-A30 轉載 Heterocycles 23(10)
显示于类别:	[嘉南學報] 12期 (1986) [食藥產業暨檢測科技系(含五專)] 期刊論文

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