文献类型： 外文期刊
作者： Feng, Gang 1 ; Zhang, Jing 1 ; Li, Jun 2 ; Satyanandamurty, Tirumani 3 ; Wu, Jun 2 ;
作者机构： 1.Chinese Acad Trop Agr Sci, Environm & Plant Protect Inst, Danzhou 571737, Peoples R China
2.Chinese Acad Sci, S China Sea Inst Oceanol, Key Lab Marine Bioresources Sustainable Utilizat, Guangzhou 510301, Guangdong, Peoples R China
3.Govt Degree Coll, Amadala Valasa 532185, Andhra Pradesh, India
期刊名称：ACTA CRYSTALLOGRAPHICA SECTION E-STRUCTURE REPORTS ONLINE （ 影响因子：0.347； 五年影响因子：0.278 ）
ISSN： 1600-5368
年卷期： 2010 年 66 卷
页码：
收录情况： SCI
摘要： The title compound, C(32)H(40)O(10), also known as xyloccensin L [systematic name: (1R,4aR,4bS,5aR,6aR,9R,10S,10aS,10bR,2aR,13R)-1-(furan-3-yl)-6a-hydroxy-10-(2-methoxy-2-oxoethyl)-9,10a,12a-trimethyl-3-oxododecahydro-1H,3H,5aH-6,9-methanoisochromeno[6,5-f]oxireno[g]chromen-13-yl (2E)-2-methylbut-2-enoate], is a limonoid with a C1-C29 oxygen bridge: this is the first report of the X-ray crystal structure of such a limonoid. Two fused pyran rings and two cyclohexane rings adopt boat conformations, while another cyclohexane ring and the d-lactone ring are in half-chair conformations. The molecular structure is stabilized by intramolecular O-H...O hydrogen bonding.
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