2. Academic Validation
  3. Coumarins from Edgeworthia chrysantha

Coumarins from Edgeworthia chrysantha

  • Molecules. 2014 Feb 13;19(2):2042-8. doi: 10.3390/molecules19022042.
Xing-Nuo Li 1,  Sheng-Qiang Tong 1,  Dong-Ping Cheng 1,  Qing-Yong Li 2,  Ji-Zhong Yan 3
Affiliations

Affiliations

  • 1 College of Pharmaceutical Science, Zhejiang University of Technology, 18 Chaowang Road, Hangzhou 310014, China.
  • 2 College of Pharmaceutical Science, Zhejiang University of Technology, 18 Chaowang Road, Hangzhou 310014, China. liqy@zjut.edu.cn.
  • 3 College of Pharmaceutical Science, Zhejiang University of Technology, 18 Chaowang Road, Hangzhou 310014, China. yjz@zjut.edu.cn.
PMID: 24531219 DOI: 10.3390/molecules19022042
Abstract

A new coumarin, edgeworic acid (1), was isolated from the flower buds of Edgeworthia chrysantha, together with the five known Coumarins umbelliferone (2), 5,7-dimethoxycoumarin (3), daphnoretin (4), edgeworoside C (5), and edgeworoside A (6). Their structures were established on the basis of spectral data, particularly by the use of 1D NMR and several 2D shift-correlated NMR pulse sequences (1H-1H COSY, HSQC and HMBC), in combination with acetylation reactions.

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