A General Synthesis of Quinoline-2,5,8(1H)-triones via Acylation of 2,5-Dimethoxyaniline with S-tert-Butyl Thioacetates by Application of the Knorr Cyclization
A General Synthesis of Quinoline-2,5,8(1H)-triones via Acylation of 2,5-Dimethoxyaniline with S-tert-Butyl Thioacetates by Application of the Knorr Cyclization
Electrophilic substitution in 3- and 4-methyl-2(1h)quinolinone through metallated species
作者:Olga Martin、Elena de la Cuesta、Carmen Avendaño
DOI:10.1016/0040-4020(95)00377-k
日期:1995.7
Unprotected 3- (2) and 4-methyl-2(1H)quinolinones (3a) and 4-methyl-5,8-dimetoxy-2(1H)quinolinone (3b) undergo through regioselective lithiation chain enlargement with different electrophiles.