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Six New 3,5-Dimethylcoumarins from Chelonopsis praecox, Chelonopsis odontochila and Chelonopsis pseudobracteata.
Geng,Chang-An; Deng,Zhen-Tao; Huang,Qian; Xiang,Chun-Lei; Chen,Ji-Jun
2021
Source PublicationNatural products and bioprospecting
ISSN2192-2195
Volume11Issue:6Pages:643-649
AbstractTen 3,5-dimethylcoumarins (1-6 and 8‒11) involving six new ones (1-6), together with a known 3-methylcoumarin (7), were isolated from the aerial parts of three Chelonopsis plants, C. praecox, C. odontochila, and C. pseudobracteata. The structures of the new compounds were determined by extensive HRESIMS, 1D and 2D NMR spectroscopic analyses. According to the substitution at C-5, these coumarins were classified into 5-methyl, 5-hydroxymethyl, 5-formyl, and 5-nor types. All the isolates were assayed for their inhibition on alpha-glucosidase, protein tyrosine phosphatase 1B, and T-cell protein tyrosine phosphatase in vitro.
DOI10.1007/s13659-021-00318-9
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Document Type期刊论文
Identifierhttp://ir.kib.ac.cn/handle/151853/73794
Collection中国科学院昆明植物研究所
Recommended Citation
GB/T 7714
Geng,Chang-An,Deng,Zhen-Tao,Huang,Qian,et al. Six New 3,5-Dimethylcoumarins from Chelonopsis praecox, Chelonopsis odontochila and Chelonopsis pseudobracteata.[J]. Natural products and bioprospecting,2021,11(6):643-649.
APA Geng,Chang-An,Deng,Zhen-Tao,Huang,Qian,Xiang,Chun-Lei,&Chen,Ji-Jun.(2021).Six New 3,5-Dimethylcoumarins from Chelonopsis praecox, Chelonopsis odontochila and Chelonopsis pseudobracteata..Natural products and bioprospecting,11(6),643-649.
MLA Geng,Chang-An,et al."Six New 3,5-Dimethylcoumarins from Chelonopsis praecox, Chelonopsis odontochila and Chelonopsis pseudobracteata.".Natural products and bioprospecting 11.6(2021):643-649.
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