Journal
INORGANICA CHIMICA ACTA
Volume 380, Issue -, Pages 104-113Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.ica.2011.08.040
Keywords
N-Salicylidene aniline; Thermochromic anions; Hybrid materials; Fluorimetry; Proton transfer
Categories
Funding
- Fonds National de la Recherche Scientifique-FNRS [2.4508.08, IISN 4.4507.10]
- IAP-VI [P6/17]
- Concerted Research Action of the 'Communaute Francaise de Belgique'
- F.R.I.A.
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New N-salicylidene meta and para aminobenzenesulfonate anions (1 and 2) presenting both reversible thermochromic properties and high thermal stability have been synthesized. These functional organic components have been successfully inserted into inorganic cationic [Cu-II(phen)(3)] and [Ni-II(phen)(3)] frameworks, as a proof of concept, affording [Cu(phen)(3)](1)(2) (C-1), [Ni(phen)(3)](1)(2) (C-2), [Cu(phen)(3)](2) Cl center dot 5H(2)O center dot 2CH(3)CH(2)OH (C-3) and [Ni(phen)(3)](2) Cl center dot 7H(2)O center dot CH3OH (C-4), that have all been structurally characterized by single crystal X-ray diffraction. Temperature dependent fluorimetry demonstrates, for the first time, that keto-enol tautomerization of the anion is effective in the organic-inorganic hybrid materials, even though no thermochromism is observed. This insertion method paves the way towards the synthesis of a panel of hybrid multifunctional materials. (C) 2011 Elsevier B. V. All rights reserved.
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