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Molecules 2014, 19(1), 1-8; doi:10.3390/molecules19010001
Article

Two New Phenolic Compounds from the Heartwood of Caesalpinia sappan L.

1, 2, 2, 3, 1,2,* , 3, 1 and 1
1 State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University Health Science Center, Beijing 100191, China 2 Modern Research Center for Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing 100029, China 3 College of Life and Environmental Sciences, Minzu University of China, Beijing 100081, China
* Author to whom correspondence should be addressed.
Received: 18 November 2013 / Revised: 9 December 2013 / Accepted: 10 December 2013 / Published: 19 December 2013
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Abstract

Two new phenolic compounds, epicaesalpin J and 7,10,11-trihydroxydracaenone, were isolated from the heartwood of Caesalpinia sappan L. Their structures were identified by spectroscopic analysis methods, such as 1D and 2D NMR, along with the high resolution mass spectral data. The NO inhibition activities of two new compounds and six known compounds were tested.
Keywords: Caesalpinia sappan L.; dracaenone; epicaesalpin J; phenolic compounds Caesalpinia sappan L.; dracaenone; epicaesalpin J; phenolic compounds
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

Zhao, M.-B.; Li, J.; Shi, S.-P.; Cai, C.-Q.; Tu, P.-F.; Tang, L.; Zeng, K.-W.; Jiang, Y. Two New Phenolic Compounds from the Heartwood of Caesalpinia sappan L.. Molecules 2014, 19, 1-8.

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