DITERPENES FROM A KAEMPFERIA SPECIES

被引:26
作者
PRAWAT, U
TUNTIWACHWUTTIKUL, P
TAYLOR, WC
ENGELHARDT, LM
SKELTON, BW
WHITE, AH
机构
[1] SILPAKORN UNIV, FAC SCI, DEPT CHEM, NAKHON PATHOM 73000, THAILAND
[2] PHUKET TEACHERS COLL, DEPT CHEM, PHUKET 8300, THAILAND
[3] UNIV SYDNEY, DEPT ORGAN CHEM, SYDNEY, NSW 2006, AUSTRALIA
[4] UNIV WESTERN AUSTRALIA, SCH CHEM, NEDLANDS, WA 6009, AUSTRALIA
关键词
KAEMPFERIA SP; ZINGIBERACEAE; PIMARADIENE DITERPENES;
D O I
10.1016/0031-9422(93)85242-J
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
Six novel diterpenes, sandaracopimaradien-9alpha-ol-1-one, sandaracopimaradien-1alpha,9alpha-diol, 6beta-acetoxysandaracopimaradien-9alpha-ol-1-one, sandaracopimaradien-6beta,9alpha-diol-1-one, 6beta-acetoxysandaracopimaradien-1alpha,9alpha-diol and sandaracopimaradien-1alpha,6beta,9alpha-triol have been isolated from the rhizomes of Kaempferia sp. The structures were assigned on the basis of their spectroscopic data and by chemical conversions. The crystal structures of the second and fifth compounds were also determined and the absolute stereochemistry of all the compounds established by CD methods.
引用
收藏
页码:991 / 997
页数:7
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