Abstract
Taberniacins A (1) and B (2), new indole alkaloids, were isolated from the stems of Tabernaemontana divaricata (Apocynaceae). Structure elucidation of 1 and 2 was based on spectroscopic methods and total synthesis. Each alkaloid showed vasorelaxant activity against phenylephrine-induced contraction of isolated rat aorta.
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This work was supported by Grants in-Aid for Scientific Research from JSPS, Japan.
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Hirasawa, Y., Dai, X., Deguchi, J. et al. New vasorelaxant indole alkaloids, taberniacins A and B, from Tabernaemontana divaricata. J Nat Med 73, 627–632 (2019). https://doi.org/10.1007/s11418-019-01293-9
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DOI: https://doi.org/10.1007/s11418-019-01293-9