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Articles

Cytotoxic aspidosperma-type alkaloids from Melodinus axillaris

ORCID Icon, , , , &
Pages 284-290 | Received 31 Aug 2018, Accepted 16 Dec 2018, Published online: 20 Jan 2019
 

Abstract

One new aspidosperma-type alkaloid, melotenine A (1), together with five known ones (26), was isolated from the leaves of Melodinus axillaris. Their structures were elucidated by detailed spectroscopic analysis and quantum chemical ECD calculation. The isolated aspidosperma-type alkaloids were evaluated for their cytotoxicity against four human cancer cell lines and melotenine A showed significant cytotoxicity against all cells with IC50 values ranging from 0.6 to 1.5 μM.

Disclosure statement

The authors declare that there are no conflicts of interest.

Additional information

Funding

This work was financially supported by Natural Science Foundation of China (21772065, 81673527), Postdoctoral Science Foundation of China (2017M622268), Shandong Provincial Natural Science Foundation (ZR2017MH019, JQ201721), Shandong Provincial Key Research Project (2017GSF19115, 2018GSF118158), Shandong Talents Team Cultivation Plan of University Preponderant Discipline (No. 10027), and State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources (Guangxi Normal University) (CMEMR2016- B07).

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