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Short Paper | Regular issue | Vol 98, No. 7, 2019, pp.984-993
Published online, 5th July, 2019
DOI: 10.3987/COM-19-14109
Fragilides M–O, New Triacetoxybriaranes from the Gorgonian Coral Junceella fragilis (Ellisellidae)

Chia-Cheng Lin, Wu-Fu Chen, Gene-Hsiang Lee, Zhi-Hong Wen, Lee-Shing Fang, Yueh-Hsiung Kuo, Chieh-Yu Lee,* and Ping-Jyun Sung*

*Department of Planning and Research, National Museum of Marine Biology and Aquarium, 2 Houwan Road, Checheng, Pingtung, Taiwan 944, Taiwan

Abstract

Chemical investigation of the ethyl acetate-soluble fraction from the methanol/dichloromethane extract of a sea whip gorgonian coral Junceella fragilis afforded four polyacetoxybriaranes, including a known metabolite, junceellin (1), along with three new analogues, fragilides M–O (24). The absolute configuration of 1 was determined by X-ray analysis and the structures of 24 were elucidated on the basis of spectroscopic methods.