[EN] NAPHTHOQUINONE COMPOUND AND NUCLEAR FACTOR KAPPA-B (NF-κB) INHIBITOR COMPRISING SAME AS ACTIVE INGREDIENT<br/>[FR] COMPOSÉ DE NAPHTOQUINONE ET INHIBITEUR DE FACTEUR NUCLÉAIRE KAPPA-B (NF-κB) COMPRENANT CELUI-CI EN TANT QUE SUBSTANCE ACTIVE<br/>[JA] ナフトキノン化合物及び該化合物を有効成分とする核内因子カッパB(NF-κB)阻害剤
Various naphthoquinone derivatives were prepared from a natural product, 5-hydroxy-2-methyl-1, 4-naphthoquinone (plumbagin); these were mostly substituted at C-3 through carbon-carbon bond formation mediated by a metal-based oxidant such as lead tetraacetate in the presence of various carboxylic acids. The halogenated compounds showed stronger ichthyotoxicity than plumbagin, but other derivatives were less active.