Abstract
A new isomalabaricane-type triterpenoid, jaspiferin G (1), together with four known isomalabaricane-type triterpenoids, isogeoditin A (2), 13-(E)-isogeoditin A (3), jaspolide E (4), and 22,23-dihydrostellettin D (5), was isolated from the marine sponge Jaspis stellifera. The structures were elucidated on the basis of spectroscopic data (1H and 13C NMR, 1H-1H COSY, HSQC, HMBC, and ROESY) and mass spectrometry.
Funding source: National Natural Science Foundation of China
Award Identifier / Grant number: 81102371
Funding source: Natural Science Foundation of Tianjin
Award Identifier / Grant number: 10JCYBJC15000
Funding statement: This work was supported in part by the National Natural Science Foundation of China (Grant No. 81102371) and the Natural Science Foundation of Tianjin, China (Grant No. 10JCYBJC15000).
Acknowledgments
This work was supported in part by the National Natural Science Foundation of China (Grant No. 81102371) and the Natural Science Foundation of Tianjin, China (Grant No. 10JCYBJC15000).
References
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Supplemental Material:
The online version of this article (DOI: 10.1515/znc-2016-0054) offers supplementary material, available to authorized users.
©2016 by De Gruyter
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