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Wilton-Ely J, 2006, Dinuclear ruthenium and osmium compounds with metal-metal bonds, Comprehensive Organometallic Chemistry III, Editor(s): Crabtree, Mingos, Elsevier, Pages:647-716, ISBN:978-0080445908

Journal Articles:


BibTex format

author = {Toscani, A and Jantan, KA and Hena, JB and Robson, JA and Parmenter, EJ and Fiorini, V and White, AJ and Stagni, S and Wilton-Ely, JD},
doi = {10.1039/c6dt03810g},
journal = {Dalton Transactions},
pages = {5558--5570},
title = {The stepwise generation of multimetallic complexes based on a vinylbipyridine linkage and their photophysical properties},
url = {},
volume = {46},
year = {2016}

RIS format (EndNote, RefMan)

AB - The versatile rhenium complex [ReCl(CO)3(bpyC[triple bond, length as m-dash]CH)] (HC[triple bond, length as m-dash]Cbpy = 5-ethynyl-2,2'-bipyridine) is used to generate a series of bimetallic complexes through the hydrometallation of [MHCl(CO)(BTD)(PPh3)2] (M = Ru, Os; BTD = 2,1,3-benzothiadiazole). The ruthenium complex [Ru{CH[double bond, length as m-dash]CH-bpyReCl(CO)3}Cl(BTD)(CO)(PPh3)2] was characterised structurally. Ligand exchange reactions with bifunctional linkers bearing oxygen and sulfur donors provide access to tetra- and pentametallic complexes such as [{M{CH[double bond, length as m-dash]CH-bpyReCl(CO)3}(CO)(PPh3)2}2(S2CNC4H8NCS2)] and Fe[C5H4CO2M{CH[double bond, length as m-dash]CH-bpyReCl(CO)3}(CO)(PPh3)2]2. The effect of the group 8 metal on the photophysical properties of the rhenium centre was investigated using the complexes [Ru{CH[double bond, length as m-dash]CH-bpyReCl(CO)3}Cl(BTD)(CO)(PPh3)2] and [M{CH[double bond, length as m-dash]CH-bpyReCl(CO)3}{S2P(OEt)2}(CO)(PPh3)2] (M = Ru, Os). This revealed the quenching of the rhenium-based emission in favour of weak radiative processes based on the Ru and Os centres. The potential for exploiting this effect is illustrated by the reaction of [Ru{CH[double bond, length as m-dash]CH-bpyReCl(CO)3}Cl(CO)(BTD)(PPh3)2] with carbon monoxide, which results in a 5-fold fluorescence enhancement in the dicarbonyl product, [Ru{CH[double bond, length as m-dash]CH-bpyReCl(CO)3}Cl(CO)2(PPh3)2], as the quenching effect is disrupted.
AU - Toscani,A
AU - Jantan,KA
AU - Hena,JB
AU - Robson,JA
AU - Parmenter,EJ
AU - Fiorini,V
AU - White,AJ
AU - Stagni,S
AU - Wilton-Ely,JD
DO - 10.1039/c6dt03810g
EP - 5570
PY - 2016///
SN - 1477-9226
SP - 5558
TI - The stepwise generation of multimetallic complexes based on a vinylbipyridine linkage and their photophysical properties
T2 - Dalton Transactions
UR -
UR -
UR -
VL - 46
ER -