Three New Caffeoyl Glycosides from the Roots of Picrorhiza Scrophulariiflora
Abstract
:Introduction
Results and Discussion
Moiety | position | 1 | 2 | 3 | |||
---|---|---|---|---|---|---|---|
C | H (J, Hz) | C | H (J, Hz) | C | H (J, Hz) | ||
Caffeoyl-1 | 1 | 125.3 | 128.9 | 128.4 | |||
2 | 114.9 | 7.06, br.s | 115.1 | 7.12﹡ | 115.1 | 7.18, br.s | |
3 | 145.6 | 146.9 | 146.8 | ||||
4 | 148.7 | 146.9 | 147.7 | ||||
5 | 115.8 | 6.77, d, (8.4) | 115.9 | 7.08, d, (8.8) | 116.1 | 7.12, m | |
6 | 121.7 | 7.02, br.d (8.4) | 120.3 | 6.96, d, (8.4) | 121.2 | 7.12, m | |
7 | 146.6 | 7.57, d, (16.0) | 143.5 | 7.38, d, (16.0) | 146.0 | 7.62, d, (16.0) | |
8 | 113.2 | 6.26, d, (16.0) | 117.5 | 6.24, d, (16.0) | 115.3 | 6.45, d, (16.0) | |
9 | 165.2 | 167.7 | 165.1 | ||||
Caffeoyl-2 | 1′ | 128.6 | 128.5 | 128.6 | |||
2′ | 115.1 | 7.18, br.s | 114.9 | 7.19, s | 115.1 | 7.18, br.s | |
3′ | 146.8 | 146.8 | 146.8 | ||||
4′ | 147.5 | 147.5 | 147.5 | ||||
5′ | 116.1 | 7.12, m | 116.0 | 7.12﹡ | 116.1 | 7.12, m | |
6′ | 120.9 | 7.12, m | 120.8 | 7.12﹡ | 120.9 | 7.12, m | |
7′ | 144.8 | 7.52, d, (16.0) | 144.7 | 7.53, d, (16.0) | 144.8 | 7.52, d, (16.0) | |
8′ | 115.8 | 6.45, d, (16.0) | 115.8 | 6.45, d, (16.0) | 115.8 | 6.44, d, (16.0) | |
9′ | 166.3 | 166.2 | 166.3 | ||||
Glc-1 | 1′′ | 94.1 | 5.50, d, (8.0) | 101.2 | 4.86, d, (6.8) | 94.2 | 5.52, d, (8.0) |
2′′ | 72.4 | 3.20-3.38, m﹡ | 75.5 | 3.30﹡ | 72.4 | 3.17-3.39, m﹡ | |
3′′ | 76.1 | 3.20-3.38, m﹡ | 73.9 | 3.71﹡ | 76.1 | 3.17-3.39, m﹡ | |
4′′ | 69.6 | 3.20-3.38, m﹡ | 69.7 | 3.20, m | 69.6 | 3.17-3.39, m﹡ | |
5′′ | 74.6 | 3.58, m | 73.2 | 3.30﹡ | 74.6 | 3.51, m | |
6′′ | 63.4 | 4.41, br.d, (11.2), 4.16, dd, (6.0, 12.0) | 63.3 | 4.23, dd, (6.8, 11.6) 4.46, d, (11.2) | 63.4 | 4.41, br.d, (11.2)4.16, d d, (6.0, 12.0) | |
Glc-2 | 1′′′ | 101.6 | 4.78, d, (6.8) | 101.5 | 4.80, d, (6.8) | 101.4 | 4.78, d, (6.0) |
2′′′ | 75.8 | 3.20-3.38, m﹡ | 75.7 | 3.32﹡ | 75.8 | 3.17-3.39, m﹡ | |
3′′′ | 73.2 | 3.20-3.38, m﹡ | 73.3 | 3.32﹡ | 73.2 | 3.17-3.39, m﹡ | |
4′′′ | 69.8 | 3.20-3.38, m﹡ | 69.9 | 3.30﹡ | 69.8 | 3.17-3.39, m﹡ | |
5′′′ | 77.2 | 3.20-3.38, m﹡ | 77.1 | 3.32﹡ | 77.2 | 3.17-3.39, m﹡ | |
6′′′ | 60.7 | 3.71, br.d, (8.4)3.47, m | 60.7 | 3.48, dd, (5.6, 11.6) 3.71, d, (10.4) | 60.7 | 3.70, br.d, (11.2)3.47, m | |
Glc-3 | 1′′′′ | 101.5 | 4.80, d, (6.0) | ||||
2′′′′ | 75.8 | 3.17-3.39, m﹡ | |||||
3′′′′ | 73.2 | 3.17-3.39, m﹡ | |||||
4′′′′ | 69.8 | 3.17-3.39, m﹡ | |||||
5′′′′ | 77.2 | 3.17-3.39, m﹡ | |||||
6′′′′ | 60.7 | 3.73, br.d, (11.2)3.47, m |
Experimental
General
Plant Material
Extraction and Isolation
Acid hydrolysis of 1, 2 and 3
Acknowledgements
References
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Zhu, T.F.; Huang, K.Y.; Deng, X.M.; Zhang, Y.; Xiang, H.; Gao, H.Y.; Wang, D.C. Three New Caffeoyl Glycosides from the Roots of Picrorhiza Scrophulariiflora. Molecules 2008, 13, 729-735. https://doi.org/10.3390/molecules13040729
Zhu TF, Huang KY, Deng XM, Zhang Y, Xiang H, Gao HY, Wang DC. Three New Caffeoyl Glycosides from the Roots of Picrorhiza Scrophulariiflora. Molecules. 2008; 13(4):729-735. https://doi.org/10.3390/molecules13040729
Chicago/Turabian StyleZhu, Tong Fei, Kai Yi Huang, Xu Ming Deng, Yu Zhang, Hua Xiang, Hui Yuan Gao, and Da Cheng Wang. 2008. "Three New Caffeoyl Glycosides from the Roots of Picrorhiza Scrophulariiflora" Molecules 13, no. 4: 729-735. https://doi.org/10.3390/molecules13040729