Amphimedonoic acid and psammaplysene E, novel brominated alkaloids from Amphimedon sp.

Tetrahedron Letters
2017.0

Abstract

Examination of the CH2Cl2-MeOH (1:1) extract from the Madagascan sponge Amphimedon sp. highlighted two new brominated alkaloids, amphimedonoic acid (1) and psammaplysene E (2), along with the known 3,5-dibromo-4-methoxybenzoic acid (3). Their structures were elucidated by 1D and 2D NMR spectroscopy and HRESIMS data. © 2017 Elsevier Ltd

DOI： 10.1016/j.tetlet.2017.08.072

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