Schinortriterpenoids with Identical Configuration but Distinct ECD Spectra Generated by Nondegenerate Exciton Coupling
Shi, Yi-Ming1; Hu, Kun1,2; Pescitelli, Gennaro3; Liu, Miao1; Li, Xiao-Nian1; Du, Xue1; Xiao, Wei-Lie1; Sun, Han-Dong1; Puno, Pema-Tenzin1
2018-03-16
发表期刊ORGANIC LETTERS
ISSN1523-7060
卷号20期号:6页码:1500-1504
摘要Ten schinortriterpenoids with biogenetically related lancischiartane scaffolds, including the first 3-norlancischiartane (1) with unusual configuration inversions occurring at C-1 and C-10, were isolated from Schisandra lancifolia. Unusual ECD curve patterns observed in 6-8 were confirmed to be caused by nondegenerate exciton coupling, suggesting that ECD spectrum empirical comparison should be used with caution in configuration determination. Additionally, structure revision of 2, originally proposed as arisanlactone A, was completed using NMR computation and X-ray diffraction analysis.
语种英语
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文献类型期刊论文
条目标识符http://ir.kib.ac.cn/handle/151853/60519
专题植物化学与西部植物资源持续利用国家重点实验室
作者单位1.Chinese Acad Sci, Kunming Inst Bot, State Key Lab Phytochem & Plant Resources West Ch, Kunming 650201, Yunnan, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Univ Pisa, Dipartimento Chim Chim Ind, Via Moruzzi 13, I-56124 Pisa, Italy
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Shi, Yi-Ming,Hu, Kun,Pescitelli, Gennaro,et al. Schinortriterpenoids with Identical Configuration but Distinct ECD Spectra Generated by Nondegenerate Exciton Coupling[J]. ORGANIC LETTERS,2018,20(6):1500-1504.
APA Shi, Yi-Ming.,Hu, Kun.,Pescitelli, Gennaro.,Liu, Miao.,Li, Xiao-Nian.,...&Puno, Pema-Tenzin.(2018).Schinortriterpenoids with Identical Configuration but Distinct ECD Spectra Generated by Nondegenerate Exciton Coupling.ORGANIC LETTERS,20(6),1500-1504.
MLA Shi, Yi-Ming,et al."Schinortriterpenoids with Identical Configuration but Distinct ECD Spectra Generated by Nondegenerate Exciton Coupling".ORGANIC LETTERS 20.6(2018):1500-1504.
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