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Molecules 2018, 23(10), 2429; https://doi.org/10.3390/molecules23102429

Daphnauranins C–E, Three New Antifeedants from Daphne aurantiaca Roots

1
Hainan Key Laboratory for Research and Development of Natural Products from Li Folk Medicine, Ministry of Agriculture, Institute of Tropical Bioscience and Biotechnology, Chinese Academy of Tropical Agricultural Sciences, Haikou 571101, China
2
State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, China
*
Authors to whom correspondence should be addressed.
Received: 11 September 2018 / Accepted: 20 September 2018 / Published: 21 September 2018
(This article belongs to the Collection Bioactive Compounds)
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Abstract

Daphnauranins C–E (compounds 13), two sesquiterpenoids and one monoterpenoid were isolated from the roots of Daphne aurantiaca Diels. Daphnauranin C is a 9-O-13 etherified and hydroperoxy-substituted guaiane sesquiterpenoid, daphnauranin D is a guaiane sesquiterpenoid ketal, and daphnauranin E is a monoterpenoid lactone. Their structures were elucidated by comprehensive analyses of MS, 1D NMR, and 2D NMR spectroscopic data. In an anti-feeding activities test, daphnauranins C–E showed activity against male fruit fly with anti-feeding indexes (AI) up to 39.1, 39.2, and 27.8% respectively, at 1 mM. View Full-Text
Keywords: Daphne aurantiaca; Thymelaeceae; sesquiterpenoid; antifeedant Daphne aurantiaca; Thymelaeceae; sesquiterpenoid; antifeedant
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Huang, S.Z.; Ma, Q.Y.; Wang, Q.; Dai, H.F.; Liu, Y.Q.; Zhou, J.; Zhao, Y.X. Daphnauranins C–E, Three New Antifeedants from Daphne aurantiaca Roots. Molecules 2018, 23, 2429.

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