Colorimetric response to anions by a “robust” copper(II) complex of a [9]aneN3 pendant arm derivative: CN− and I− selective sensing

Marta Aguado Tetilla; M. Carla Aragoni; Massimiliano Arca; Claudia Caltagirone; Carla Bazzicalupi; Andrea Bencini; Alessandra Garau; Francesco Isaia; Antonio Laguna; Vito Lippolis; Valeria Meli

doi:10.1039/C0CC04500D

Colorimetric response to anions by a “robust” copper(ii) complex of a [9]aneN₃ pendant arm derivative: CN⁻ and I⁻ selective sensing†

Marta Aguado Tetilla,^a M. Carla Aragoni,^b Massimiliano Arca,^b Claudia Caltagirone,*^b Carla Bazzicalupi,^c Andrea Bencini,^c Alessandra Garau,^b Francesco Isaia,^b Antonio Laguna,^a Vito Lippolis*^b and Valeria Meli^b

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* Corresponding authors

^a Universidad de Zaragoza-CSIC, Departamento de Quimica Inorganica ICMA, Pedro Cerbuna 12, Zaragoza, Spain

^b Università degli Studi di Cagliari, Dipartimento di Chimica Inorganica ed Analitica, S.S. 554 Bivio per Sestu, Monserrato (CA), Italy
E-mail: ccaltagirone@unica.it, lippolis@unica.it
Fax: +39 070 6754456
Tel: +39 070 6754452

^c Dipartimento di Chimica “Ugo Schiff”, Università degli Studi di Firenze, via della Lastruccia 3, Sesto Fiorentino (FI), Italy

Abstract

The 1 ∶ 1 complex [Cu(L)](BF₄)₂·MeCN (1) of the tetradentate ligand 1-(2-quinolinylmethyl)-1,4,7-triazacyclononane (L) selectively changes its colour in the presence of CN⁻ in H₂O and MeCN (without undergoing decomplexation from the macrocyclic ligand). The same complex in MeCN assumes different colours in the presence of CN⁻ or I⁻.

Chemical Communications

Colorimetric response to anions by a “robust” copper(ii) complex of a [9]aneN₃ pendant arm derivative: CN⁻ and I⁻ selective sensing†

Abstract

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Colorimetric response to anions by a “robust” copper(II) complex of a [9]aneN₃ pendant arm derivative: CN⁻ and I⁻ selective sensing

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