3 (2H)-Furanones and oxazoles are common structures in a range of important pharmaceuticals.[1] Diaryl ketones are also frequently found in natural products and pharmaceuticals,[2] and they are good precursors for nonsteroidal antiestrogen drugs, such as tamoxifen,[3] and diarylmethyl compounds, such as histamine H1 antagonists,[4a] antitubercular compounds,[4b] and inhibitors of tubulin polymerization.[4c] A variety of ...
