Sesquiterpene lactones from Ixeris sonchifolia (Bge.) Hance II

Wen-Zhi Zhang State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian, China; Department of Chemistry and Engineering, Qiqihar University, Qiqihar, China

Xin-Li Li Department of Chemistry and Engineering, Qiqihar University, Qiqihar, China

Ling-Gang Shi Department of Chemistry and Engineering, Qiqihar University, Qiqihar, China

Jin-Lan Wang Department of Chemistry and Engineering, Qiqihar University, Qiqihar, China

Ming Zhao Department of Chemistry and Engineering, Qiqihar University, Qiqihar, China

De-Feng Zhao State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian, China

Shu-Jun Zhang Department of Chemistry and Engineering, Qiqihar University, Qiqihar, ChinaCorrespondence[email protected]

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Abstract

Four new sesquiterpene lactones, sonchifoliasolides D (1), E (2), F (3) and G (4) were isolated from the aerial parts of Ixeris sonchifolia (Bge.) Hance. The structures of compounds 1–4 were established on the basis of their spectroscopic data.

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Acknowledgements

This work was supported by the Ministry of Education, China (No. 2042045). We thank Mr Jun Li for the measurement of NMR spectra.

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Sesquiterpene lactones from Ixeris sonchifolia (Bge.) Hance II

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