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Note | Regular issue | Vol 51, No. 7, 1999, pp.1653-1659
Published online, 1st January, 1970
DOI: 10.3987/COM-99-8533
New Briarane Diterpenes from a Gorgonacean Briareum sp.

Tetsuo Iwagawa,* Keita Takayama, Hiroaki Okamura, Munehiro Nakatani,* and Matsumi Doe*

*Department of Chemistry and Bioscience, Faculty of Science, Kagoshima University, 1-21-35 Korimoto, Kagoshima 890-0065, Japan

Abstract

Five new diterpenes violides C (1)-I (7), possessing a 2,3,4-, 2,3-, and 2,4-oxidized briarane skeleton have been isolated from a gorgonacean Briareum sp. Their structures were established by spectral methods.