Regioselectivity of the metalation of polymethoxylated pivaloyl??aminobenzenes. Synthesis of methoxy??2 (1H)??quinolones precursors of 2??substituted??5, 8?? …

…, A Godard, F Marsais, G Queguiner

Index: Fourquez; Godard; Marsais; Queguiner Journal of Heterocyclic Chemistry, 1995 , vol. 32, # 4 p. 1165 - 1170

Full Text: HTML

Citation Number: 8

Abstract

Abstract Synthesis of methoxy-2 (1H)-quinolones precursors 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.