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Four Eremophil-9-en-8-one Derivatives from Cremanthodium stenactinium Samples Collected in China

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Author(s): Yoshinori Saito | Mayu Ichihara | Yasuko Okamoto | Xun Gong | Chiaki Kuroda | Motoo Tori

Journal: Molecules
ISSN 1420-3049

Volume: 16;
Issue: 12;
Start page: 10645;
Date: 2011;
Original page

Keywords: Asteraceae | Cremanthodium stenactinium | eremophilanes | sesquiterpenes

ABSTRACT
Two samples of Cremanthodium stenactinium (Asteraceae) were collected in Sichuan Province, China. From the ethyl acetate extracts of the roots, three new eremophilane-type sesquiterpenoids and one new trinoreremophilane compound were isolated, together with other known eremophilanes. Their structures were determined based on the spectroscopic data. This is the first report of isolation of eremophilane-type compounds from the genus Cremanthodium.

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