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Functionalisation of terpyridine complexes containing the [Re(CO)3Cl]+ moiety

Research output: Contribution to journalJournal article

Published

  • Angelo J. Amoroso
  • Afrosa Banu
  • Michael Coogan
  • Peter G. Edwards
  • Golzar Hossain
  • K. M. Abdul Malik
Journal publication date2010
JournalDalton Transactions
Journal number30
Volume39
Number of pages11
Pages6993-7003
Original languageEnglish

Abstract

The investigation into the substitution and addition chemistry of Re(σ2-terpy)(CO)3Cl shows that the chloride in Re(σ2-terpy)(CO)3Cl (1) may be substituted for acetonitrile to give [Re(σ2-terpy)(CO)3(CH3CN)][PF6] (2), but in the cationic complex [Re(σ2-terpyMe)(CO)3Cl][PF6] (4), where the pendant pyridine has been methylated, substitution of the chloride could not be achieved using standard conditions. However, use of [Re(σ2-terpyMe)(CO)3I][PF6] (3) results in the formation of [Re(σ2-terpyMe)(CO)3(CH3CN)][PF6]2 (5). The acetonitrile ligand in complex 2 was found to be labile and could be substituted by pyridine donors.