only the first carbon-oxygen pendant bond plays a crucial role in regulating the electron density donated by the polyethylenegycoxyl fragment. This is reflected in the insignificant change in the reactivity as the polyethyleneglycoxyl chain increases. The obtained kinetic data are supported by the DFT calculations that reveal a less electrophilic Pt(II) metal centre for complexes bearing the 4′-substituent
Ligands and complexes with supramolecular aromatic–aromatic interactions: iron(<scp>ii</scp>) and ruthenium(<scp>ii</scp>) complexes of 2,2′:6′,2″-terpyridines with pendant naphthalene groups
作者:Hoi Shan Chow、Edwin C. Constable、Catherine E. Housecroft、Markus Neuburger、Silvia Schaffner
DOI:10.1039/b515610f
日期:——
The synthesis and characterisation of five new ligands (L), each containing a terpy binding domain and bearing a pendant naphthalene group in the 4â²-position are described; homoleptic complexes, [ML2][PF6]4 (M = Fe, Ru) have been studied and structural data for four complexes are reported.
Selective addressing of heteroditopic ligands by iron(II) and platinum(II)
作者:Edwin C. Constable、Catherine E. Housecroft、Markus Neuburger、Silvia Schaffner、Ellen J. Shardlow
DOI:10.1016/j.ica.2006.12.007
日期:2007.12
The heteroditopic ligand 4'-(4,7,10-trioxadec-1-yn-10-yl)- 2,2':6',2 ''-terpyridine, 2, contains an N, N', N ''-donor metal-binding domain that recognizes iron(II), and a terminal alkyne site that selectively couples to platinum( II). This selectivity has been used to investigate routes to the formation of heterometallic systems. The single crystal structures of ligand 2 and the complex [Fe(2)(2)][PF6](2) are reported. (C) 2006 Elsevier B.V. All rights reserved.
Mechanochemical transformation of fluorescent hydrogel based on dynamic lanthanide-terpyridine coordination