Isolation and structure (x-ray analysis) of karinolide,a new quassinoid from Simaba Multiflora期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

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Isolation and structure (x-ray analysis) of karinolide,a new quassinoid from Simaba Multiflora

Authors:	Judith Polonsky Jacqueline Gallas Jeannette Varenne Thierry Prangé Claudine Pascard Henri Jacquemin Christian Moretti

Institution:	Institut de Chimie des Substances Naturelles, C.N.R.S., 91190 gif-sur-yvette, France;Office de la Recherche Scientifique et Technique, Outre-Mer, B.P. 165, Cayenne, French Guyana France

Abstract:	Karinolide $1$ is a structurally novel C₂₀ quassinoid isolated from the French Guyanan Simaroubaceae, Simaba multiflora A.Juss. whose structure was established by X-ray diffraction analysis. 6α-Senecioyloxychaparrin $2$ , the known 6α-senecioloyxychaparrinone $3$ and 9-methoxycanthin-6-one $5$ were also isolated ; their structure were determined by spectral means.

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