Rapid access to 3-(N-substituted)-aminoquinolin-2(1H)-ones using palladium-catalyzed C–N bond coupling reaction
2007
Abstract A series of 3-( N -substituted)-aminoquinolin-2(1 H )-ones have been synthesized by the palladium-catalyzed C–N coupling reaction starting from 3-bromoquinolin-2-(1 H )-ones. Various nucleophiles including amines, amides, sulfonamides, carbamates and ureas have been used successfully. In all the cases, the reactions take place rapidly in 1,4-dioxane and proceed in good to excellent yield using palladium acetate as a catalyst, Xantphos as a ligand and Cs 2 CO 3 as a base.
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