Maoeriocalysins A-D, four novel ent-kaurane diterpenoids from Isodon eriocalyx and their structure determination utilizing quantum chemical calculation in conjunction with quantitative interproton distance analysis
Yang, Qian1,2; Hu, Kun1; Yan, Bing-Chao1; Liu, Miao1; Li, Xiao-Nian1; Sun, Han-Dong1; Puno, Pema-Tenzin1
刊名ORGANIC CHEMISTRY FRONTIERS
2019-01-07
卷号6期号:1页码:45-53
ISSN号2052-4129
英文摘要Maoeriocalysin A (1), a novel rearranged ent-kaurane diterpenoid with an unprecedented 4,5-seco-3,5-cyclo-7,20-epoxy-ent-kaurane scaffold, together with three rare 9,10-seco-7,20-epoxy-ent-kaurane diterpenoids, maoeriocalysins B-D (2-4), were isolated from the aerial parts of Isodon eriocalyx. Their structures were elucidated by comprehensive spectroscopic analysis, quantum chemical calculation of NMR parameters and electronic circular dichroism, quantitative interproton distance analysis, and single crystal X-ray diffraction experiment. The plausible biosynthetic pathway of 1-4 was also proposed.
资助项目National Natural Science Foundation of China[81673329] ; National Natural Science Foundation of China[81874298]
语种英语
资助机构National Natural Science Foundation of China
内容类型期刊论文
源URL[http://ir.kib.ac.cn/handle/151853/64294]  
专题昆明植物研究所_植物化学与西部植物资源持续利用国家重点实验室
通讯作者Puno, Pema-Tenzin
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
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Yang, Qian,Hu, Kun,Yan, Bing-Chao,et al. Maoeriocalysins A-D, four novel ent-kaurane diterpenoids from Isodon eriocalyx and their structure determination utilizing quantum chemical calculation in conjunction with quantitative interproton distance analysis[J]. ORGANIC CHEMISTRY FRONTIERS,2019,6(1):45-53.
APA Yang, Qian.,Hu, Kun.,Yan, Bing-Chao.,Liu, Miao.,Li, Xiao-Nian.,...&Puno, Pema-Tenzin.(2019).Maoeriocalysins A-D, four novel ent-kaurane diterpenoids from Isodon eriocalyx and their structure determination utilizing quantum chemical calculation in conjunction with quantitative interproton distance analysis.ORGANIC CHEMISTRY FRONTIERS,6(1),45-53.
MLA Yang, Qian,et al."Maoeriocalysins A-D, four novel ent-kaurane diterpenoids from Isodon eriocalyx and their structure determination utilizing quantum chemical calculation in conjunction with quantitative interproton distance analysis".ORGANIC CHEMISTRY FRONTIERS 6.1(2019):45-53.
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