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Determination of a new chromone from Aurantii Fructus Immaturus by DFT/GIAO method

Author:
Jiang, Zhe, Liu, Fang, Zhong, Aijiao, Dugu, Jiaxiu, Li, Xuezheng
Source:
Natural product research 2016 v.30 no.1 pp. 69-73
ISSN:
1478-6427
Subject:
carbon, ethanol, ethyl acetate, flavonoids, nuclear magnetic resonance spectroscopy, stable isotopes
Abstract:
Investigation of EtOAc fraction from the 95% ethanol extract of Aurantii Fructus Immaturus led to the isolation of one new chromone (1) and seven known flavonoids (2 – 8). Their structures were elucidated mainly by NMR and HR-ESI-MS, as well as on comparison with the reported NMR data. The final substituent pattern of 1 was defined by comparison of ¹³C NMR data calculated by DFT/GIAO with those of experimental NMR data.
Agid:
4685357