Neutral Re (I) complexes for anion sensing

Andre Bessette, Samik Nag, Amlan Kumar Pal, Sofia Derossi, Garry S. Hanan

Research output: Contribution to journalArticlepeer-review

21 Citations (Scopus)


Anion sensing properties toward F− , OAc− and H2PO4 − were studied for new mononuclear and dinuclear Re(I) complexes based on a five-substituted phenanthroline moiety bearing a thiourea hydrogen-bonding receptor. Log(K 1:1) values between 4 and 6 were obtained for the complexes by UV–vis titrations and between 3 and 5 by 1H NMR titrations. The effect of hydrogen-bonding versus deprotonation of the thiourea receptor upon addition of the anions was also evaluated by UV–vis and NMR titration techniques. In addition, an X-ray structure of the Re(I) precursor complex is reported and the chirality of the mononuclear and dinuclear complexes is discussed.
Original languageEnglish
Pages (from-to)595-603
JournalSupramolecular Chemistry
Issue number8
Publication statusPublished - 6 Aug 2012


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