PALLADIUM-CATALYZED CYANATION OF ARYL BROMIDES USING PHOSPHINE-FREE PYRIDYL-HYDRAZONE LIGANDS

[摘要]：Palladium-catalyzed cyanation of aryl bromides with potassium hexacyanoferrate(II) trihydrate, K-4[Fe(CN)6]center dot 3H(2)O as the cyanide source gave benzonitrile derivatives using a catalytic amount of Pd(OCOCF3)(2) in DMF at 110 degrees C with phosphine-free pyridyl-hydrazone ligand 2c in good yields.

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