New N-Acyl Taurine from the Sea Urchin Glyptocidaris crenularis

Xuefeng ZHOU; Tunhai XU; Kewei WEN; Xian-Wen YANG; Shi-Hai XU; Yonghong LIU

doi:10.1271/bbb.90848

Food & Nutrition Science Notes

New N-Acyl Taurine from the Sea Urchin Glyptocidaris crenularis

Xuefeng ZHOU, Tunhai XU, Kewei WEN, Xian-Wen YANG, Shi-Hai XU, Yonghong LIU

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Keywords: Glyptocidaris crenularis, N-acyl taurine, spectroscopic analysis, toxicity

JOURNAL FREE ACCESS

2010 Volume 74 Issue 5 Pages 1089-1091

DOI https://doi.org/10.1271/bbb.90848

View "Advance Publication" version (May 7, 2010).

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Abstract

A new N-acyl taurine (1), together with a new natural product, l-(β-D-ribofuranosyl)-1,2,4-triazole (4), and two known compounds (2 and 3), were isolated from the sea urchin, Glyptocidaris crenularis. The new N-acyl taurine was elucidated as 2-(5R,15S-dihydroxyeicosanoylamino) ethanesulfonic acid on the basis of spectroscopic (NMR, MS) analyses and the modified Mosher ester method. Compound 2 showed significant toxicity against brine shrimp larvae.

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