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Earlier four brominated sesquiterpenes, aldingenins A–D, were isolated from the red algae Laurencia aldingensis, and their structure elucidated by spectroscopic methods including NMR. Total syntheses of the proposed structures of aldingenin B (Org. Lett. 2012, 14, 2168) and aldingenin C (J. Org. Chem. 2014, 79, 9373) have demonstrated that the structures are misassigned. Koshino has proposed aldingenins...
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