Issue 2, 2012

Luminescent iridium complexes for detection of molybdate

Abstract

Reactions of [Ir(C⁁N)2Cl]2 [HC⁁N = 2-(3-R-phenyl)pyridine, 2-(3-R-phenylpyrazole) R = H, Me] with Me2-phencat give luminescent complexes [Ir(C⁁N)2(Me2-phencat)][PF6] (Me2-2a, b, c)[PF6]. Deprotection of the methoxy groups with BBr3 is problematic as simultaneous bromination of the cyclometallated phenyl groups occurs. However, deprotection of Me2-phencat with BBr3 followed by complexation with [Ir(C⁁N)2Cl]2 gives luminescent complexes [Ir(C⁁N)2(H2-phencat)][PF6] (H2-3a, c)[PF6], which are luminescent sensors for molybdate.

Graphical abstract: Luminescent iridium complexes for detection of molybdate

Supplementary files

Article information

Article type
Paper
Submitted
19 Jul 2011
Accepted
22 Sep 2011
First published
24 Oct 2011

Dalton Trans., 2012,41, 628-635

Luminescent iridium complexes for detection of molybdate

C. E. Castillo, D. L. Davies, Anne-K. D. Klair, K. Singh and S. Singh, Dalton Trans., 2012, 41, 628 DOI: 10.1039/C1DT11360G

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