A novel spirocyclic triterpenoid and a new taraxerane triterpenoid from Teucrium viscidum

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出版日 2016-10-10

DOI 10.1039/C6QO00460A

インパクトファクター 5.281

著者

Zheng-Yu Li, Feng-Ming Qi, De-Juan Zhi, Qiao-Ling Hu, Ying-Hong Liu, Zhan-Xin Zhang, Dong-Qing Fei

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要旨

Two new triterpenoids, teuviscins A (1) and B (2), were isolated from the whole plants of Teucrium viscidum. Compound 1 possessed a rare 7(8→9)abeo-9R-D:C-friedo-B′:A′-neo-gammacerane skeleton, and compound 2 is a taraxerane triterpene acid. Their structures were characterized by extensive spectroscopic methods (HR-ESI-MS, 1D and 2D NMR), and the absolute configurations of 1 and 2 were secured by single-crystal X-ray diffraction analyses using Cu Kα radiation. Compound 2 showed anti-AD bioactivity which delayed animals paralysis of transgenic AD Caenorhabditis elegans.

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Organic Chemistry Frontiers

CiteScore: 7.8

自己引用率: 8.7%

年間論文数: 724

Organic Chemistry Frontiers publishes high-quality research from across organic chemistry. Emphases are placed on studies that make significant contributions to the field of organic chemistry by reporting either new or significantly improved protocols or methodologies. Topics include, but are not limited to the following: Organic synthesis Development of synthetic methodologies Catalysis Natural products Functional organic materials Supramolecular and macromolecular chemistry Physical and computational organic chemistry

A novel spirocyclic triterpenoid and a new taraxerane triterpenoid from Teucrium viscidum

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