@article{eacd696188b74ce294120e687ca6565b,
title = "Sesquiterpene lactones from Inula helenium",
abstract = "The isolation of 11(13)-dehydrocriolin [a germacranolide also known as 11(13)-dehydroivaxillin], 2α-hydroxyalantolactone, 4α,5α-epoxy-10α,14-H-inuviscolide (the major component) and carabrone from the aerial parts of Inula helenium is reported. The first two lactones were isolated for the first time from this plant.",
keywords = "11(13)-dehydroeriolin, 2α-hydroxyalantolactone, 4α,5α-epoxy-1Oα,14-H-inuviscolide, Compositae, Inula helenium, carabrone.",
author = "Vlatka Vajs and Dragoslay Jeremi{\'c} and {Milosavljevi{\'c} and}, Slobodan and Slobodan Macura",
note = "Funding Information: Acknowledgements-Tins work was supported m part by the Serblan Repubhc Research Fund We thank Dr A. Romo de Vlvar, Dr J S Calderbn (both from Instltuto de QtnmIca de la Umversldad Naclonal Autcinoma de MCXICO) and Dr M Maruyama (Mlyagi Umverslty oTEducatton, Japan) for kmdfy supplymg us with IR and {\textquoteleft}H NMR spectra oflactone 3 We also wish to acknowledge our gratitude to Professor J L Markley for the use of the NMR faohty at the Department of Blochermstry, Umverslty of Wlsconsm, Madison, U S A",
year = "1989",
doi = "10.1016/S0031-9422(00)97842-7",
language = "English (US)",
volume = "28",
pages = "1763--1764",
journal = "Phytochemistry",
issn = "0031-9422",
publisher = "Elsevier Limited",
number = "6",
}