An Acetylenic Alkaloid from the Calcareous Sponge Leucetta sp.

Abstract

A new acetylenic alkaloid was isolated from the sponge Leucetta sp. The structure was established by analyzing spectroscopic data. The alkaloid showed cytotoxicity IC50 2.5 mg/mL against NBT-T2 cells.

Keywords

• sponge
• acetylene
• alkaloid
• cytotoxicity