STRUCTURE OF ASPARAGAMINE A, A NOVEL POLYCYCLIC ALKALOID FROM ASPARAGUS RACEMOSUS

Toshikazu SEKINE; Nobuaki FUKASAWA; Yumi KASHIWAGI; Nijsiri RUANGRUNGSI; Isamu MURAKOSHI

doi:10.1248/cpb.42.1360

Toshikazu SEKINE, Nobuaki FUKASAWA, Yumi KASHIWAGI, Nijsiri RUANGRUNGSI, Isamu MURAKOSHI

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Keywords: alkaloid, asparagamine A, Asparagus racemosus, Liliaceae, polycyclic pyrrolizidine, cage compound

JOURNAL FREE ACCESS

1994 Volume 42 Issue 6 Pages 1360-1362

DOI https://doi.org/10.1248/cpb.42.1360

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Abstract

A new cage-type alkaloid, asparagamine A (1), was isolated from the roots of Asparagus racemosus Willd. (Liliaceae). The relative stereostructure was elucidated by spectroscopic, chemical and single crystal X-ray analyses as a novel polycyclic pyrrolizidine derivative.

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