PRELACINAN-7-OL, A NOVEL SESQUITERPENE FROM RUDBECKIA-LACINIATA

被引：16

作者：

FUKUSHI, Y

YAJIMA, C

MIZUTANI, J

机构：

[1] Department of Applied Bioscience, Faculty of Agriculture, Hokkaido University, Kita-ku, Sapporo

来源：

TETRAHEDRON LETTERS | 1994年 / 35卷 / 47期

关键词：

D O I：

10.1016/S0040-4039(00)78504-2

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

A new tricyclic sesquiterpene. prelacinan-7-ol (1) was isolated from the roots of Rudbeckia laciniata. The structure was determined on the base of the extensive 2D NMR analyses. The absolute configuration was established by derivatizing to axially chiral 2-(2'-methoxy-1'-naphthyl)-3,5-dichlorobenzoic acid (MNCB, 3) and 2'-methoxy-1,1'-binaphthyl-2-carboxylic acid (MBNC, 4) esters. For the same purpose, ''Modified Mosher's method'' was inapplicable.

引用

页码：8809 / 8812

页数：4

共 12 条

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