Unusual aryl–aryl coupling of 6-bromo-1,2-naphthoquinone to 6,6’-dibromo-1,1’,2,2’-tetrahydroxy-4,4’-binaphthyl in the presence of trialkylphosphine and water
作者:Andrei V. Bogdanov、Nadezhda R. Khasiyatullina、Vladimir F. Mironov、Dmitry B. Krivolapov、Igor A. Litvinov、Alexander I. Konovalov
DOI:10.1016/j.mencom.2009.01.016
日期:2009.1
The reaction of 6-bromo-1,2-naphthoquinone with tri(2-cyanoethyl)phosphine or tricyclohexylphosphine leads to the unusual formation of 6,6'-dibromo-1,1',2,2'-tetrahydroxy-4,4'-binaphthyl; its structure was confirmed by NMR spectroscopy and single crystal X-ray diffraction analysis.