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.
2011
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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