著者
Arai Tsukasa Toda Yuta Kato Kiyotaka Miyamoto Kensuke Hasegawa Tsuyoshi Yamada Kosumi Ueda Junichi Hasegawa Koji Inoue Tsuyoshi Shigemori Hideyuki
出版者
Elsevier
雑誌
Tetrahedron (ISSN:00404020)
巻号頁・発行日
vol.69, no.34, pp.7001-7005, 2013-08
被引用文献数
15 1

A new sesquiterpene with an α-methylene-γ-lactone moiety, artabolide (1), and three known derivatives 2–4 were isolated from Artemisia absinthium. The structure of 1 was elucidated by 1D and 2D NMR analyses, and the absolute configuration was determined using the modified Mosher's method and X-ray crystal structural analysis. Approximately 2.5 μg/plant treatment of artabolide (1) exhibited ca. 50% inhibition of polar auxin transport in radish hypocotyls, while 2–4 showed no significant inhibitory activity. Therefore, these results support the importance of the α-methylene-γ-lactone moiety for the inhibition of polar auxin transport.

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