A convenient synthesis of substituted 2,2′:6′,2″-terpyridines
作者:Alexander Gehre、Stephen P. Stanforth、Brian Tarbit
DOI:10.1016/j.tetlet.2008.05.128
日期:2008.8
The 2,2′:6′,2″-terpyridines 8a and 8b were prepared in good yield by reacting α-acetoxy-α-chloro-β-keto-esters 1 (R1 = nPr and Ph) with the bis-amidrazone 7 and 2,5-norbornadiene 5 in ethanol at reflux.