Sesquiterpenes of nine european liverworts from the genera, Anastrepta, bazzania, jungermannia, lepidozia and Scapania

doi:10.1016/0031-9422(71)85081-1

淡江大學機構典藏 > 理學院 > 化學學系暨研究所 > 期刊論文 > Item 987654321/25202

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题名:	Sesquiterpenes of nine european liverworts from the genera, Anastrepta, bazzania, jungermannia, lepidozia and Scapania
作者:	吳嘉麗;Wu, Chia-li;Andersen, Neils H.;Bissonette, P.;Liu, C.-B.;Shunk, Belinda;Ohta, Yoshimoto;Tseng, Chia-Li W.;Moore, Ana;Huneck, S.
贡献者:	淡江大學化學學系
关键词:	Scapania;Jungermanniales;Hepaticae;cadinene;ent-sesquiterpenes;gymnomitrol;bazzanene;myliol;sibirene;chamigrenes;ylangene;himachalene-longifolene-type sesquiterpenes;cis-fused selinenes
日期:	1977
上传时间:	2009-12-01
出版者:	Elsevier
摘要:	The essential oils of fourteen liverwort specimens from nine species of the Jungermanniales have been examined as to their sesquiterpenes. The barbatenes prove to be present in detectable amounts in all but one species. Bazzanene is frequently found with the barbatenes and new chemical evidence does not support the previously assigned structure but is consistent with a structure diastereomeric to trichodiene. This is consistent with a biogenetic rationale for the barbatene skeleton. Anasterptene, a novel crystalline tetracyclic hydrocarbon, has been found in numerous oils, and chemical degradation established a common skeleton with myliol. The samples of genus Scapania elaborate sesquiterpenes of the enantiomeric humulene-longifolene sequence. New members of this group found are (−)-β-longipinene, (−)-longipipanol, and (+)-γ-himachalene. The related germacrene series is represented by a cadinene, (−)-α-ylangene, and (−)-sativene. A series of cis-fused selinenes have also been found, which are more closely allied to the germacrene-sativene group than to typical trans-fused selinenes. One of these selinenes is shown to be the same as the material previously designated as sibirene. Scapania undulata also elaborates (+)-α- and β-chamigrene, and a number of novel hydrocarbons of still unknown structure.
關聯:	Phytochemistry 16(11), pp.1731-1751
DOI:	10.1016/0031-9422(71)85081-1
显示于类别:	[化學學系暨研究所] 期刊論文

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