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Molecules 2015, 20(1), 839-845; doi:10.3390/molecules20010839

Isoleojaponin, a New Halimane Diterpene Isolated from Leonurus japonicus

College of Chemistry and Chemical Engineering, Anyang Normal University, Anyang 455000, Henan, China
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Authors to whom correspondence should be addressed.
Academic Editor: Derek J. McPhee
Received: 6 November 2014 / Accepted: 6 January 2015 / Published: 7 January 2015
(This article belongs to the Section Natural Products)
View Full-Text   |   Download PDF [891 KB, uploaded 7 January 2015]   |  

Abstract

Leojaponin (2), a labdane diterpene, was isolated from the EtOH extract of the herb of Leonurus japonicus together with a new halimane diterpene named isoleojaponin (1). Isoleojaponin has a new diterpene skeleton with a unique cross-conjugated α,β-unsaturated ketone system, Their structures were elucidated by physical and spectroscopic analysis, and the relative configuration of the chiral C-9 carbon was determined by a computational method, and analysis of its possible biogenesis pathways. View Full-Text
Keywords: Leonurus japonicus; labdane diterpenoid; isoleojaponin; halimane Leonurus japonicus; labdane diterpenoid; isoleojaponin; halimane
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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. (CC BY 4.0).

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MDPI and ACS Style

Wu, H.; Wang, S.; Xu, Z.; Sun, S.; Liu, H.; Wang, J.; E, Y.; Lv, Y.; Dong, X.; Li, G.; Zhang, L.; Shi, Y. Isoleojaponin, a New Halimane Diterpene Isolated from Leonurus japonicus. Molecules 2015, 20, 839-845.

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