New Phenylethanoid Glycosides from the Fruits of Forsythia Suspense (Thunb.) Vahl
Abstract
:1. Introduction
2. Results and Discussion
no. | 1 | 2 | 3 | 4 | ||||
δH | δC | δH | δC | δH | δC | δH | δC | |
1 | 129.1 | 129.5 | 129.2 | 129.2 | ||||
2 | 6.54 br.s | 115.4 | 6.61 d (1.8) | 115.5 | 6.55 d (1.2) | 115.4 | 6.62 br.s | 115.5 |
3 | 144.9 | 144.7 | 144.9 | 144.9 | ||||
4 | 143.5 | 143.5 | 143.5 | 143.5 | ||||
5 | 6.55 d (8.4) | 116.2 | 6.63 d (7.8) | 116.3 | 6.54 d (7.8) | 116.2 | 6.63 d (7.8) | 116.3 |
6 | 6.41 dd (1.8, 8.4) | 119.6 | 6.48 dd (1.8, 7.8) | 119.5 | 6.41 dd (1.2, 7.8) | 119.6 | 6.49 dd (1.8, 7.8) | 119.5 |
7 | 2.56 m | 35.1 | 2.69 m | 35.1 | 2.56 m | 35.0 | 2.67 m | 35.1 |
8 | 3.76 m | 69.8 | 3.82 m | 70.2 | 3.78 m | 69.8 | 3.83 m | 70.3 |
3.54 m | 3.62 m | 3.53 m | 3.61 m | |||||
1′ | 4.49 d (8.4) | 100.2 | 4.34 d (7.8) | 102.7 | 4.74 d (7.8) | 100.1 | 4.31 d (7.8) | 102.9 |
2′ | 4.64 t (8.4) | 73.4 | 3.18 dd (7.8, 9.0) | 71.4 | 4.65 t (7.8) | 73.3 | 3.41 dd (7.8, 9.0) | 73.0 |
3′ | 3.42 m | 74.1 | 4.88 t (9.0) | 77.5 | 3.42 m | 74.1 | 3.10 m | 73.5 |
4′ | 3.44 m | 70.7 | 3.28 dd (9.0, 10.2) | 68.1 | 3.22 dd (9.0, 9.6) | 70.0 | 4.66 t (9.6) | 71.0 |
5′ | 3.38 m | 75.5 | 3.42 m | 75.1 | 3.39 m | 75.7 | 3.45 m | 73.9 |
6′ | 3.84 br.d (10.2) | 66.6 | 3.82 br.d (9.6) | 66.5 | 3.96 br.d (11.4) | 65.7 | 3.53 br.d (13.0) | 66.1 |
3.48 m | 3.49 m | 3.58 dd (5.4, 11.4) | 3.33 dd (7.5, 13.0) | |||||
1″ | 4.60 br.s | 100.7 | 4.59 br.s | 100.7 | 4.20 d (7.2) | 104.0 | 4.50 br.s | 100.5 |
2″ | 3.63 m | 70.5 | 3.62 m | 70.6 | 2.98 dd (7.2, 8.4) | 73.3 | 3.59 m | 70.6 |
3″ | 3.45 m | 70.3 | 3.62 m | 70.4 | 3.09 dd (8.4, 9.0) | 76.6 | 3.36 dd (9.0, 10.2) | 70.6 |
4″ | 3.19 t (9.6) | 72.0 | 3.44 m | 71.9 | 3.28 m | 69.6 | 3.57 t (9.0) | 71.9 |
5″ | 3.46 m | 68.4 | 3.48 m | 68.4 | 3.70 m | 68.2 | 3.34 m | 68.4 |
3.02 m | ||||||||
6″ | 1.14 d (6.6) | 18.0 | 1.13 d (6.6) | 17.9 | 1.05 d (6.0) | 17.8 | ||
1‴ | 125.5 | 125.6 | 125.5 | 125.4 | ||||
2‴ | 7.06 br.s | 114.8 | 7.04 d (1.8) | 114.9 | 7.06 br.s | 114.8 | 7.05 br.s | 114.8 |
3‴ | 145.6 | 145.5 | 145.6 | 145.6 | ||||
4‴ | 148.5 | 148.2 | 148.5 | 148.6 | ||||
5‴ | 6.76 d (7.2) | 115.8 | 6.75 d (8.4) | 115.7 | 6.76 d (7.8) | 115.8 | 6.76 d (8.4) | 115.8 |
6‴ | 7.01 br.d (7.2) | 121.3 | 7.01 dd (1.8, 8.4) | 121.3 | 7.01 d (7.8) | 121.3 | 7.01 br.d (8.4) | 121.4 |
7‴ | 7.49 d (16.2) | 145.2 | 7.47 d (15.6) | 144.9 | 7.49 d (15.6) | 145.1 | 7.50 d (15.6) | 145.6 |
8‴ | 6.27 d (16.2) | 114.2 | 6.26 d (15.6) | 114.7 | 6.27 d (15.6) | 114.2 | 6.25 d (15.6) | 113.6 |
9‴ | 165.7 | 166.1 | 165.7 | 165.9 |
3. Experimental
3.1. General
3.2. Plant Material
3.3. Extraction and Isolation.
3.4. Acid Hydrolysis of 1, 2 and 3
Acknowledgements
References and Notes
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Wang, F.N.; Ma, Z.Q.; Liu, Y.; Guo, Y.Z.; Gu, Z.W. New Phenylethanoid Glycosides from the Fruits of Forsythia Suspense (Thunb.) Vahl. Molecules 2009, 14, 1324-1331. https://doi.org/10.3390/molecules14031324
Wang FN, Ma ZQ, Liu Y, Guo YZ, Gu ZW. New Phenylethanoid Glycosides from the Fruits of Forsythia Suspense (Thunb.) Vahl. Molecules. 2009; 14(3):1324-1331. https://doi.org/10.3390/molecules14031324
Chicago/Turabian StyleWang, Fu Nan, Zhi Qiang Ma, Ying Liu, Ying Zhi Guo, and Zhong Wei Gu. 2009. "New Phenylethanoid Glycosides from the Fruits of Forsythia Suspense (Thunb.) Vahl" Molecules 14, no. 3: 1324-1331. https://doi.org/10.3390/molecules14031324