Molecules 2010, 15(3), 2039-2059; doi:10.3390/molecules15032039
Article

Cationic Heteroleptic Cyclometalated IridiumIII Complexes Containing Phenyl-Triazole and Triazole-Pyridine Clicked Ligands

Marco Felici 1 email, Pablo Contreras-Carballada 2 email, Jan M. M. Smits 3 email, Roeland J. M. Nolte 1 email, René M. Williams 2 email, Luisa De Cola 4 email and Martin C. Feiters 1,* email
1 Department of Organic Chemistry, Institute for Molecules and Materials, Faculty of Science, Radboud University Nijmegen, Heyendaalseweg 135, 6525 AJ Nijmegen, The Netherlands 2 Van`t Hoff Institute for Molecular Sciences, Molecular Photonic Materials, Nieuwe Achtergracht 129, 1018 WS Amsterdam, The Netherlands 3 Solid State Chemistry, Institute for Molecules and Materials, Faculty of Science, Radboud University Nijmegen, Heyendaalseweg 135, 6525 AJ Nijmegen, The Netherlands 4 Physikalisches Institut, Westfälische Wilhelms-Universität Münster, Wilhelm-Klemm-Str. 10, 48149 Münster, Germany
* Author to whom correspondence should be addressed.
Received: 8 February 2010; in revised form: 8 March 2010 / Accepted: 18 March 2010 / Published: 23 March 2010
(This article belongs to the Special Issue Click Chemistry)
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Abstract: Novel heteroleptic iridium complexes containing the 1-substituted-4-phenyl-1H-1,2,3-triazole (phtl) cyclometalating ligand have been synthesized. The 3+2 Huisgen dipolar cycloaddition method (‘click’ chemistry) was utilized to prepare a class of bidentate ligands (phtl) bearing different substituents on the triazole moiety. By using various ligands (phtl-R1 and pytl-R2) (R1=adamantane, methyl and R2=adamantane, methyl, β-cyclodextrin, ursodeoxycholic acid), we prepared a small library of new luminescent ionic iridium complexes [Ir(phtr-R1)2(pytl-R2)]Cl and report on their photophysical properties. The flexibility of the clicking approach allows a straightforward control on the chemical-physical properties of the complexes by varying the nature of the substituent on the ligand.
Keywords: click chemistry; phenyl-triazole; pyridine-triazole; iridium; luminescence

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MDPI and ACS Style

Felici, M.; Contreras-Carballada, P.; Smits, J.M.M.; Nolte, R.J.M.; Williams, R.M.; De Cola, L.; Feiters, M.C. Cationic Heteroleptic Cyclometalated IridiumIII Complexes Containing Phenyl-Triazole and Triazole-Pyridine Clicked Ligands. Molecules 2010, 15, 2039-2059.

AMA Style

Felici M, Contreras-Carballada P, Smits JMM, Nolte RJM, Williams RM, De Cola L, Feiters MC. Cationic Heteroleptic Cyclometalated IridiumIII Complexes Containing Phenyl-Triazole and Triazole-Pyridine Clicked Ligands. Molecules. 2010; 15(3):2039-2059.

Chicago/Turabian Style

Felici, Marco; Contreras-Carballada, Pablo; Smits, Jan M. M.; Nolte, Roeland J. M.; Williams, René M.; De Cola, Luisa; Feiters, Martin C. 2010. "Cationic Heteroleptic Cyclometalated IridiumIII Complexes Containing Phenyl-Triazole and Triazole-Pyridine Clicked Ligands." Molecules 15, no. 3: 2039-2059.

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