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Article

Semisynthesis and Antifeedant Activity of New Derivatives of a Dihydro-β-Agarofuran from Parnassia wightiana

by
Jiang-Jiang Tang
1,†,
Fei-Yu Zhang
1,†,
Dong-Mei Wang
2,
Jun-Mian Tian
1,
Shuai Dong
1 and
Jin-Ming Gao
1,*
1
Shaanxi Engineering Center of Bioresource Chemistry & Sustainable Utilization, College of Science, Northwest A&F University, Yangling 712100, Shaanxi, China
2
College of Forestry, Northwest A&F University, Yangling 712100, Shaanxi, China
*
Author to whom correspondence should be addressed.
†
These authors contributed equally to this work.
Int. J. Mol. Sci. 2013, 14(10), 19484-19493; https://doi.org/10.3390/ijms141019484
Submission received: 1 July 2013 / Revised: 22 August 2013 / Accepted: 10 September 2013 / Published: 26 September 2013
(This article belongs to the Section Biochemistry)
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Abstract

Five new derivatives (2–6) were semi-synthesized using compound 1, a dihydro-β-agarofuran sesquiterpene with C-2 ketone obtained from Parnassia wightiana, as the starting material by acylation, oxidation, reduction, esterification, and amination, respectively. Structures of 2–6 were confirmed by 1D- and 2D-NMR and HR-ESI-MS spectra. In addition, antifeedant activities of these compounds (1–6) were tested against the 3rd-instar larvae of Mythimna separata. Antifeedant effects of compounds 2 and 4 were greater than the parent compound 1 whereas other compounds exhibited low to no feeding deterrent effects against third instar M. separata larvae in lab bioassays. Therefore, our results suggest that acylated and reduced derivatives at C-8 and C-2, respectively, of 1 may improve the antifeeding effect. This preliminary information will be useful in designing new insect control agents against M. separata and other important pests.
Keywords: sesquiterpene; agarofuran; derivatives; antifeedant activity sesquiterpene; agarofuran; derivatives; antifeedant activity

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MDPI and ACS Style

Tang, J.-J.; Zhang, F.-Y.; Wang, D.-M.; Tian, J.-M.; Dong, S.; Gao, J.-M. Semisynthesis and Antifeedant Activity of New Derivatives of a Dihydro-β-Agarofuran from Parnassia wightiana. Int. J. Mol. Sci. 2013, 14, 19484-19493. https://doi.org/10.3390/ijms141019484

AMA Style

Tang J-J, Zhang F-Y, Wang D-M, Tian J-M, Dong S, Gao J-M. Semisynthesis and Antifeedant Activity of New Derivatives of a Dihydro-β-Agarofuran from Parnassia wightiana. International Journal of Molecular Sciences. 2013; 14(10):19484-19493. https://doi.org/10.3390/ijms141019484

Chicago/Turabian Style

Tang, Jiang-Jiang, Fei-Yu Zhang, Dong-Mei Wang, Jun-Mian Tian, Shuai Dong, and Jin-Ming Gao. 2013. "Semisynthesis and Antifeedant Activity of New Derivatives of a Dihydro-β-Agarofuran from Parnassia wightiana" International Journal of Molecular Sciences 14, no. 10: 19484-19493. https://doi.org/10.3390/ijms141019484

APA Style

Tang, J.-J., Zhang, F.-Y., Wang, D.-M., Tian, J.-M., Dong, S., & Gao, J.-M. (2013). Semisynthesis and Antifeedant Activity of New Derivatives of a Dihydro-β-Agarofuran from Parnassia wightiana. International Journal of Molecular Sciences, 14(10), 19484-19493. https://doi.org/10.3390/ijms141019484

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