New Alkaloids, Picrasidines W, X and Y, from Picrasma quassioides and X-Ray Crystallographic Analysis of Picrasidine Q

Hong-Yu LI; Kazuo KOIKE; Taichi OHMOTO

doi:10.1248/cpb.41.1807

Hong-Yu LI, Kazuo KOIKE, Taichi OHMOTO

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Keywords: Picrasma quassioides, Simaroubaceae, picrasidine W, picrasidine X, picrasidine Y, picrasidine Q

JOURNAL FREE ACCESS

1993 Volume 41 Issue 10 Pages 1807-1811

DOI https://doi.org/10.1248/cpb.41.1807

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Abstract

Three new alkaloids, picrasidines W (1), X (2) and Y (3), were isolated from the wood of Picrasma quassioides BENNET (Simaroubaceae). Their structures were determined by spectral and chemical evidence. Previously isolated picrasidine Q (4) was unambiguously determined by X-ray crystallographic analysis.

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