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Pure Appl. Chem., 2009, Vol. 81, No. 6, pp. 1001-1008

Published online 2009-05-05

Dinogunellins A-D: Putative ichthyootoxic phospholipids of northern blenny Stichaeus grigorjewi eggs

Shigeki Matsunaga1, Nobutaka Takahashi1 and Nobuhiro Fusetani2,1*

1 Laboratory of Aquatic Natural Products Chemistry, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Bunkyo-ku, Tokyo 113-8657, Japan
2 Faculty of Fisheries Sciences, Hokkaido University, Hokodate 041-8611, Japan

Abstract: Dinogunellins A-D, ichthyootoxic phospholipids, have been isolated from the mature eggs of the northern blenny Stichaeus grigorjewi. Their structures were determined based on spectral and chemical methods as a mixture of 2’- or 3’-acylated adenosine 5’-phosphate linked to the α-carboxyl group of L-asparagine through a P-N bond.