Four new secoiridoids from the stem barks of Syringa reticulata (Bl.) Hara

Shuang Guo, Yan Liu, Yan-Ping Sun, Juan Pan, Wei Guan, Xiao-Mao Li, Si-Yi Wang, Adnan Mohammed Algradi, Bing-You Yang & Hai-Xue Kuang
Four new secoiridoids, syrretoside A (1), syrretoside B (2), 5β, 8β-syrretaglucone C(3), 5β, 8α-syrretaglucone C (4), together with eight known secoiridoids (5–12), were isolated from the stem barks of Syringa reticulata (Bl.) Hara. The structures of isolated compounds were established based on the physical and chemical means, NMR spectroscopy, high-resolution mass spectrometry (HR-ESI-MS), and circular dichroism spectrum (CD), as well as in comparison with the literature. The cytotoxicity of isolated compounds was investigated using CCK8...
1 citation reported since publication in 2021.
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