Regioselectivity of the metalation of polymethoxylated pivaloyl-aminobenzenes. Synthesis of methoxy-2(1<i>H</i>)-quinolones precursors of 2-substituted-5,8-quinolinediones
作者:J. M. Fourquez、A. Godard、F. Marsais、G. Quéguiner
DOI:10.1002/jhet.5570320411
日期:1995.7
Synthesis of methoxy-2(1H)-quinolonesprecursors of 2-substituted-5,8-quinolinediones is described. A metalation, Heck coupling reaction and cyclisation sequence is used. Regioselectivity of the metalation of methoxypivaloylaminobenzenes is studied.