Novel synthetic strategy of carbolines via palladium-catalyzed amination and arylation reaction

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Takehiko Iwaki, Akito Yasuhara and Takao Sakamoto


Abstract

Four parent carbolines and the corresponding 5- or 9-methylsulfonyl derivatives were synthesized by the palladium-catalyzed intramolecular arylation reaction of ortho-bromo-substituted anilinopyridines which were prepared by the palladium-catalyzed amination reaction of iodobenzenes with aminopyridines. Carbazole and its 9-methylsulfonyl derivative were also synthesized by the same method.


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