A new methodology has been employed to synthesize a quaterpyridine, a sexipyridine and a quaterpyridine analogue in which the central 2,2'-bipyridine unit is derived from cinnamil.
Synthesis and coordination chemistry of 4′,4″-disubstituted 2,2′:6′,2″:6″,2‴-quaterpyridines and crystal and molecular structures of nickel(II) and cobalt(II) complexes
作者:Edwin C Constable、Michael J Hannon、Peter Harverson、Markus Neuburger、Diane R Smith、Verena F Wanner、Louise A Whall、Margareta Zehnder
DOI:10.1016/s0277-5387(99)00318-6
日期:2000.1
4″-disubstituted 2,2′:6′,2″:6″,2‴-quaterpyridines has been prepared and their coordination behaviour with metal ions having a preference for tetrahedral and octahedral geometries has been studied. The new ligands reacted with copper(I) and silver(I) salts to form dinuclear double-helical complexes; reaction with nickel(II) or cobalt(II) salts gave mononuclear species. The crystalstructures of three mononuclear