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Constable EC, Handel RW, Housecroft CE, et al. Metal-directed synthesis and photophysical studies of trinuclear v-shaped and pentanuclear x-shaped ruthenium and osmium metallorods and metallostars based upon 4'-(3,5-dihydroxyphenyl)-2,2':6',2''-terpyridine divergent units. Chemistry. 2005;11(13):4024-34doi: 10.1002/chem.200500119.
Constable, E. C., Handel, R. W., Housecroft, C. E., Farràn Morales, A., Ventura, B., Flamigni, L., & Barigelletti, F. (2005). Metal-directed synthesis and photophysical studies of trinuclear v-shaped and pentanuclear x-shaped ruthenium and osmium metallorods and metallostars based upon 4'-(3,5-dihydroxyphenyl)-2,2':6',2''-terpyridine divergent units. Chemistry (Weinheim an der Bergstrasse, Germany), 11(13), 4024-34. https://doi.org/10.1002/chem.200500119
Constable, Edwin C, et al. "Metal-directed synthesis and photophysical studies of trinuclear v-shaped and pentanuclear x-shaped ruthenium and osmium metallorods and metallostars based upon 4'-(3,5-dihydroxyphenyl)-2,2':6',2''-terpyridine divergent units." Chemistry (Weinheim an der Bergstrasse, Germany) vol. 11,13 (2005): 4024-34. doi: https://doi.org/10.1002/chem.200500119
Constable EC, Handel RW, Housecroft CE, Farràn Morales A, Ventura B, Flamigni L, Barigelletti F. Metal-directed synthesis and photophysical studies of trinuclear v-shaped and pentanuclear x-shaped ruthenium and osmium metallorods and metallostars based upon 4'-(3,5-dihydroxyphenyl)-2,2':6',2''-terpyridine divergent units. Chemistry. 2005 Jun 20;11(13):4024-34. doi: 10.1002/chem.200500119. PMID: 15861472.
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Chemistry. 2005 Jun 20;11(13):4024-34. doi: 10.1002/chem.200500119.

Metal-directed synthesis and photophysical studies of trinuclear v-shaped and pentanuclear x-shaped ruthenium and osmium metallorods and metallostars based upon 4'-(3,5-dihydroxyphenyl)-2,2':6',2''-terpyridine divergent units.

Chemistry (Weinheim an der Bergstrasse, Germany)

Edwin C Constable, Robyn W Handel, Catherine E Housecroft, Angeles Farràn Morales, Barbara Ventura, Lucia Flamigni, Francesco Barigelletti

Affiliations

  1. Department of Chemistry, University of Basel, Spitalstrasse 51, 4056 Basel, Switzerland. [email protected]

PMID: 15861472 DOI: 10.1002/chem.200500119

Abstract

A new series of V-shaped trinuclear metallorods and X-shaped pentanuclear metallostars has been prepared by the reaction of metal complexes bearing pendant phenolic functionalities with complexes containing electrophilic ligands. Specifically, {M(tpy)2} motifs (M=Ru or Os; tpy=2,2':6',2''-terpyridine) bearing one or two pendant 3,5-dihydroxyphenyl substituents at the 4-position of the central ring of the tpy have been reacted with the complexes [Ru(tpy)(Xtpy)]2+ (X=Cl or Br) to form new ether-linked species. The energy transfer from ruthenium to osmium in these complexes has been investigated in detail and the efficiency of transfer shown to be highly temperature dependent; the energy transfer is highly efficient at low temperature, whereas at room temperature nonradiative and nontransfer deactivation of the excited {Ru(tpy)2}* domains is most significant.

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