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Kremsmair, Alexander; Graßl, Simon; Seifert, Christoph J. B.; Godineau, Edouard and Knochel, Paul (2021): Cobalt-Catalyzed Preparation of N -Heterocyclic Organozinc Reagents from the Corresponding Heteroaryl Chlorides. In: Synthesis-Stuttgart, Vol. 53, No. 21: pp. 4068-4074

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Various substituted and unsubstituted N-heteroaryl chlorides have been converted into their corresponding organozinc species using zinc dust in the presence of zinc pivalate and 10% CoCl (2) in benzonitrile at 25 degrees C. The resulting heteroarylzinc reagents were obtained in 43-98% yield within 9-48 h and reacted with a broad range of electrophiles, leading to the functionalized heteroarenes.

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