Pd(II)-Catalyzed Ortho Arylation of 6-Arylpurines with Aryl Iodides via Purine-Directed C-H Activation: A New Strategy for Modification of 6-Arylpurine Derivatives

[摘要]：Purine is utilized as a new directing group for the Pd-catalyzed monoarylation of 6-arylpurines with simple aryl iodides via C H bond activation in good yields, providing a complementary tool for the modification of 6-arylpurines (nucleosides). Most importantly, purine can be used as a building block for nucleoside derivatives, and the use of purine as a directing group helps avoid additional synthetic steps.

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