Oxidative coupling of 2-substituted 1,2-dihydro-1-naphthols using Jones reagent: a simple entry into 3,3′-disubstituted 1,1′-binaphthyl-4,4′-diols
作者:Eric Fillion、Vincent E. Trépanier、Lauren G. Mercier、Anna A. Remorova、Rebekah J. Carson
DOI:10.1016/j.tetlet.2004.12.099
日期:2005.2
2-Substituted 1,2-dihydro-1-naphthols underwent regioselective oxidative dimerization, when treated with Jones reagent, to furnish 3,3'-disubstituted 1,1'-binaphthyl-4,4'-diols. A series of symmetrical binaphthols were prepared and it was shown that the coupling reaction proceeds via the sequential oxidation of 2-substituted 1,2-dihydro-1-naphthols to 2-substituted 1-naphthols, which oxidatively dehydrodimerized. (C) 2004 Elsevier Ltd. All rights reserved.