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学科主题: Plant Sciences; Chemistry, Medicinal; Pharmacology & Pharmacy
题名: Limonoids from the Seeds of a Hainan Mangrove, Xylocarpus granatum
作者: Pan, JY ; Chen, SL ; Li, MY ; Li, J ; Yang, MH ; Wu, J
通讯作者: yangmeihua15@hotmail.com ; wwujun2003@yahoo.com
刊名: JOURNAL OF NATURAL PRODUCTS
发表日期: 2010
卷: 73, 期:10, 页:1672-1679
收录类别: sci
部门归属: [Pan, Jian-Yu; Chen, Shi-Lin; Yang, Mei-Hua] Chinese Acad Med Sci, Inst Med Plant Dev, Beijing 100193, Peoples R China; [Pan, Jian-Yu; Chen, Shi-Lin; Yang, Mei-Hua] Peking Union Med Coll, Beijing 100193, Peoples R China; [Li, Min-Yi; Li, Jun; Wu, Jun] Chinese Acad Sci, S China Sea Inst Oceanol, Key Lab Marine Bioresources Sustainable Utilizat, Guangzhou 510301, Guangdong, Peoples R China; [Li, Min-Yi; Li, Jun] Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
项目归属: LMB
摘要: Ten new limonoids, hainangranatumins A-J (1-10), and 25 known compounds were isolated from seeds of a Chinese mangrove, Xylocarpus granatum, collected on Hainan Island. Hainangranatumins A-E (1-5) and I and J (9 and 10) are 9,10-seco-mexicanolides, whereas hainangranatumin F (6) is a limonoid possessing an 8 alpha,30 alpha-epoxy ring and a C1-C29 oxygen bridge. Hainangranatumin G (7) is a limonoid with a central pyridine ring, and hainangranatumin H (8) is a phragmalin 1,8,9-ortho ester. The relative configurations of hainangranatumins A and B were established by means of single-crystal X-ray diffraction analysis, and their absolute configurations were assigned on the basis of the specific rotation of the free acids obtained from alkaline hydrolysis. This is the first report of X-ray crystallographic structures of 9,10-seco-mexicanolides with a flexible C-2-C-30-C-8 linkage. Hainangranatumins I and J (9 and 10), unusual 9,10-seco-mexicanolides with a C-9-C-30 linkage, are proposed to be artifacts derived from hainangranatumin C and xylomexicanin A, respectively.
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WOS记录号: WOS:000283288900010
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内容类型: 期刊论文
URI标识: http://ir.scsio.ac.cn/handle/344004/3744
Appears in Collections:中科院海洋生物资源可持续利用重点实验室_期刊论文

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Recommended Citation:
Pan, JY; Chen, SL; Li, MY; Li, J; Yang, MH; Wu, J.Limonoids from the Seeds of a Hainan Mangrove, Xylocarpus granatum,JOURNAL OF NATURAL PRODUCTS,2010,73(10):1672-1679
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