TERPENOID CHEMISTRY .15. 1,5-DIMETHYLCYCLODECA-1,5,7-TRIENE PRECURSOR OF GEIJERENE IN GEIJERA PARVIFLORA (LINDLEY)

被引:63
作者
JONES, RVH
SUTHERLAND, MD
机构
[1] Chemistry Department, University of Queensland, St. Lucia Queensland
关键词
D O I
10.1071/CH9682255
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Geijera parviflora leaves which yield geijerene when worked up under the usual conditions of steam-distillation and fractional distillation have been found to contain a new hydrocarbon, Cl2H18 (pregeijerene), and only a trace of geijerene. The structure of pregeijerene has been shown by degradative and spectral examination to be 1, 5-dimethylcyclodeca-1, 5, 7-triene, the disubstituted double bond having a cis configuration. The hydrocarbon forms a crystalline adduct with silver nitrate and rearranges thermally to yield geijerene. © 1968 CSIRO. All rights reserved.
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页码:2255 / +
页数:1
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