Four novel sesquiterpenoids with their anti-Alzheimer's disease activity from Nardostachys chinensis

文献情報

出版日 2018-11-07

DOI 10.1039/C8OB02319K

インパクトファクター 3.876

著者

Pei-Qian Wu, Yi-Fan Yu, Ye Zhao, Chun-Xue Yu, De-Juan Zhi, Feng-Ming Qi

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要旨

Nardochinins A–D (1–4), four novel sesquiterpenoids, along with four known ones were isolated from the underground parts of Nardostachys chinensis Batal in ethanol. Their structures were determined by extensive spectroscopic methods and single-crystal X-ray diffraction. Nardochinin A (1) possessed a norsesquiterpene skeleton with an unusual 3/6/5/5 tetracyclic ring system, which had not appeared in natural products. Nardochinins B (2) and C (3) were the first time found naturally occurring sesquiterpenoids with a 4,5-seco-nardosinane skeleton. Besides, compound 3 represented an unprecedented 4,5-seco-nardosinane type norsesquiterpenoid with losing an isopropenyl at C-6 compared with 2 in the structural framework. Nardochinin D (4) was a novel, highly oxygenated valerenane-type sesquiterpenoid possessing a rare 3,12-epoxy group and an unusual 9,11-epoxy group. The anti-Alzheimer's disease (AD) activities of 1–4 were also evaluated using the Caenorhabditis elegans AD pathological model, and nardochinin B (2) had the highest anti-AD activity.

掲載誌

Organic & Biomolecular Chemistry

CiteScore: 3.4

自己引用率: 10.3%

年間論文数: 1041

Organic & Biomolecular Chemistry (OBC) publishes original and high impact research and reviews in organic chemistry. We welcome research that shows new or significantly improved protocols or methodologies in total synthesis, synthetic methodology or physical and theoretical organic chemistry as well as research that shows a significant advance in the organic chemistry or molecular design aspects of chemical biology, catalysis, supramolecular and macromolecular chemistry, theoretical chemistry, mechanism-oriented physical organic chemistry, medicinal chemistry or natural products. Articles published in the journal should report new work which makes a highly-significant impact in the field. Routine and incremental work is generally not suitable for publication in the journal. More details about key areas of our scope are below. In all cases authors should include in their article clear rationale for why their research has been carried out.

Four novel sesquiterpenoids with their anti-Alzheimer's disease activity from Nardostachys chinensis

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