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The palladium-catalyzed cross-coupling reaction of phenyl fluoroalkanesulfonates withorganozinc,organotin and organoaluminum reagents in the presence of lithium chloride takes placeto afford alkylbenzenes in good yields.However,the coupling reaction with organolithium andGrignard reagents proceeds unsatisfactorily with poor regioselectivity.On the basis of the isolationof an oxidative addition product of phenyl fluoroalkanesulfonate to palladium,a catalytic cycle inthe reaction is suggested.