Convenient access to C-2 or C-5 substituted 4-azaindole derivatives
Résumé
Functionalizationat C-2andC-5of N-benzenesulfonyl-4-azaindole1wasperformedbylithiationre- actionsandoriginal palladium-catalyzedchemistry. It ledtoveryuseful newsubstituted4-azaindole derivativesinfairtohighyields