Gramine-derived Bromo-alkaloids Activating NF--kB-dependent Transcription from the Marine Hydroid Abietinaria abietina
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Two new natural products, 6-bromogramine (1) and bis-6-bromogramine (2) were isolated from the marine hydroid A bietinaria abietina and their structures were established using NMR and MS analysis. Compounds 1 and 2 activate NF-cB-dependent transcriptional acti... ...