Coumarins from Edgeworthia chrysantha
AbstractA 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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Li, X.-N.; Tong, S.-Q.; Cheng, D.-P.; Li, Q.-Y.; Yan, J.-Z. Coumarins from Edgeworthia chrysantha. Molecules 2014, 19, 2042-2048.
Li X-N, Tong S-Q, Cheng D-P, Li Q-Y, Yan J-Z. Coumarins from Edgeworthia chrysantha. Molecules. 2014; 19(2):2042-2048.Chicago/Turabian Style
Li, Xing-Nuo; Tong, Sheng-Qiang; Cheng, Dong-Ping; Li, Qing-Yong; Yan, Ji-Zhong. 2014. "Coumarins from Edgeworthia chrysantha." Molecules 19, no. 2: 2042-2048.