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No abstract

Nontoxic and inexpensive K4[Fe(CN)6] is first introduced as a cyanating agent to cyanation of arylboronic acids. The present method is simple, practical, and allowed a wide range of substrates including functionalized phenylboronic acids, 1-naphthylboronic acid as well as heterocyclic boronic acids to be smoothly converted into the corresponding products in moderate to high yields.

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A wide range of functionalized arylboronic acids and heterocyclic boronic acids is smoothly converted into the corresponding products.