A New Prenylated Naphthoquinoid from the Aerial Parts of Clinopodium chinense (Benth.) O. Kuntze
Abstract
:1. Introduction
2. Results and Discussion
3. Experimental
3.1. General
3.2. Plant Material
3.3. Extraction and Isolation
3.4. Spectral Data
Position | 1H(δ) | 13C(δ) | HMBC |
---|---|---|---|
2 | 72.1 | ||
3 | 3.99 (1H, dd, J = 7.8 Hz) | 88.2 | 26.6(C-2-Me) |
4 | 1.63 (1H, ddd, J = 12.6, 7.8, 5.4 Hz, 4α) | 34.2 | 38.6(C-4a), 41.6(C-5), 74.3(C-10b), 88.2(C-3) |
2.24 (1H, dt, J = 12.6, 7.8 Hz, 4β) | 38.6(C-4a), 72.1(C-2), 74.3(C-10b), 88.2(C-3) | ||
4a | 2.94 (1H, m) | 38.6 | 88.2(C-3) |
5 | 2.59 (1H, dd, J = 15.6, 5.4 Hz, 5α) | 41.6 | 200.6(C-6), 34.2(C-4), 38.6(C-4a), 74.3(C-10b) |
2.86 (1H, dd, J = 15.6, 9.6 Hz, 5β) | 134.4(C-6a), 200.6(C-6), 34.2(C-4), 38.6(C-4a), 74.3(C-10b) | ||
6 | 200.6 | ||
6a | 134.4 | ||
7 | 7.41 (1H, d, J = 7.8 Hz) | 118.4 | 128.1(C-10a), 130.7(C-8), 200.6(C-6) |
8 | 7.29 (1H, ps t, J = 7.8 Hz) | 130.7 | 118.4(C-7), 122.4(C-9), 128.1(C-10a) |
9 | 7.11 (1H, d, J = 7.8 Hz) | 122.4 | 128.1(C-10a), 158.5(C-10) |
10 | 158.5 | ||
10a | 128.1 | ||
10b | 5.14 (1H, d, J = 5.4 Hz) | 74.3 | 128.1(C-10a), 134.4(C-6a), 158.5(C-10), 41.6(C-5), 34.2(C-4) |
11-Me | 1.17 (3H, s) | 26.6 | 72.1(C-2), 88.2(C-3) |
12-Me | 1.09 (3H, s) | 25.7 | 72.1(C-2), 88.2(C-3) |
4. Conclusions
Acknowledgments
References
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Zhong, M.; Sun, G.; Zhang, X.; Sun, G.; Xu, X.; Yu, S. A New Prenylated Naphthoquinoid from the Aerial Parts of Clinopodium chinense (Benth.) O. Kuntze. Molecules 2012, 17, 13910-13916. https://doi.org/10.3390/molecules171213910
Zhong M, Sun G, Zhang X, Sun G, Xu X, Yu S. A New Prenylated Naphthoquinoid from the Aerial Parts of Clinopodium chinense (Benth.) O. Kuntze. Molecules. 2012; 17(12):13910-13916. https://doi.org/10.3390/molecules171213910
Chicago/Turabian StyleZhong, Mingliang, Guibo Sun, Xiaopo Zhang, Guangli Sun, Xudong Xu, and Shichun Yu. 2012. "A New Prenylated Naphthoquinoid from the Aerial Parts of Clinopodium chinense (Benth.) O. Kuntze" Molecules 17, no. 12: 13910-13916. https://doi.org/10.3390/molecules171213910