Absolute Structures of Stemona-Lactam S and Tuberostemospiroline, Alkaloids from Stemona tuberosa

Haruhiko Fukaya; Yukio Hitotsuyanagi; Yutaka Aoyagi; Zhu Shu; Katsuko Komatsu; Koichi Takeya

doi:10.1248/cpb.c13-00454

Notes

Absolute Structures of Stemona-Lactam S and Tuberostemospiroline, Alkaloids from Stemona tuberosa

Haruhiko Fukaya, Yukio Hitotsuyanagi, Yutaka Aoyagi, Zhu Shu, Katsuko Komatsu, Koichi Takeya

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Keywords: stemona-lactam S, tuberostemospiroline, Stemona tuberosa, absolute configuration, X-ray crystallography, vibrational circular dichroism

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2013 Volume 61 Issue 10 Pages 1085-1089

DOI https://doi.org/10.1248/cpb.c13-00454

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Abstract

A new alkaloid, stemona-lactam S, and a known alkaloid, tuberostemospiroline, were isolated from the roots of Stemona tuberosa LOUR. (Stemonaceae). Their structures and absolute stereochemistry were established by X-ray crystallography and vibrational circular dichroism.

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