A highly practical, general method for catalytic formation of substituted pyridines from a variety of unactivated nitriles and alpha,omega-diynes is given. The reactions which were catalyzed by 5 mol % of dppe/CoCl2-6H(2)O in the presence of Zn powder (10 mol %) could proceed at rt to similar to 50 degrees C with high functional compatibility and regioselectivity.
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