Oxygenophilic organoaluminium-promoted 1,4-addition of organolithium reagents to quinone monoacetals
Abstract
Complexation of quinone monoacetals with methylaluminium bis-(2,6-di-t-butyl-4-methylphenoxide), followed by addition of organolithium reagents, gives products from 1,4-addition of the organolithium reagent to the quinone monoacetal.