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Short Paper | Regular issue | Vol 85, No. 4, 2012, pp.895-901
Published online, 21st February, 2012
DOI: 10.3987/COM-12-12424
■ Halenaquinone Derivatives from Tropical Marine Sponge Xestospongia sp.

Yeon-Ju Lee, Chang-Kwon Kim, Song-Kyu Park, Jong Soon Kang, Jong-Seok Lee, Hee Jae Shin, and Hyi-Seung Lee*

*Marine Natural Products Laboratory, Korea Ocean Research & Development Institute, Ansan PO Box 29, Ansan 426-744, Korea

Abstract

Chemical investigations of the tropical marine sponge of the genus Xestospongia have resulted in the isolation of a new halenaquinone derivative named xestosaprol N (8) together with known metabolites. Their structures were elucidated on the basis of mass spectrometry and detailed 2D NMR spectroscopic data.