Abstract Licohalcones have been reported to have various biological activities. However, most of licochalcones also showed cytotoxicity even though their versitile utilities. Licochalcones B and D, which have common substituents at aromatic ring B, are targeted to modify the structure at aromatic ring A for inflammatory studies. Licochalcone derivatives (1– 6) thus prepared are compared for their suppression ability of nitric oxide (NO) production ...
