作者: C. Zdero , F. Bohlmann , R.M. King , H. Robinson
DOI: 10.1016/0031-9422(89)80045-7
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摘要: Abstract The investigation of 17 Australian Helipterum species afforded 32 new sesquiterpene lactones (four germacranolides, 22 guaianolides and six eudesmanolides), a bisabolene derivative, four ent -beyerene derivatives, cembrol, an isomer trixagol alkylated salicyclic acids. structures were elucidated by high field NMR techniques. Three South African gave no characteristic compounds.