Selective formation of substituted pyridines from two different alkynes and a nitrile: Novel coupling reaction of azazirconacyclopentadienes with alkynes
T. Takahashi et al., Selective formation of substituted pyridines from two different alkynes and a nitrile: Novel coupling reaction of azazirconacyclopentadienes with alkynes, J AM CHEM S, 122(20), 2000, pp. 4994-4995