金雀花(Garcinia rubra Merr.)果皮中一种山酮的分离纯化及结构分析

KIMIKA Pub Date : 2019-06-28 DOI:10.26534/kimika.v30i1.40-44

C. M. Ravidas, T. Villar, L. O. Namuco, H. Hernandez

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引用次数: 0

摘要

用二氯甲烷提取菲律宾特有藤黄属植物Garcinia rubra的果皮。提取物的分离物乙酰化，得到单乙酰和双乙酰衍生物。对这些衍生物进行分析，得到了1,3,7-三羟基-2,4-双(3-甲基-2-烯基)- 9h -xanthen-9- 1。通过柱层析、乙酰化、FTIR、NMR和LCMS等方法对化合物进行了分离和表征。

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Isolation, Purification and Structure Elucidation of a Xanthone from the Pericarp of Kamandiis (Garcinia rubra Merr.)

The pericarp of Garcinia rubra, an endemic Garcinia species in the Philippines was extracted with dichloromethane. An isolate of the extract was acetylated giving monoacetyl and diacetyl derivatives. Analysis of these derivatives led to the elucidation of the xanthone 1,3,7-trihydroxy-2,4-bis(3-methylbut-2-enyl)-9H-xanthen-9-one. The compound was isolated and characterized through column chromatography, acetylation, FTIR, NMR and LCMS analyses.

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