<i>bis</i>(2-Phenylpyridinato)-[4,4′-<i>bis</i>(iodoethynyl)-2,2′-bipyridine]-iridium(III) Hexafluorophosphate

<i>bis</i>(2-Phenylpyridinato)-[4,4′-<i>bis</i>(iodoethynyl)-2,2′-bipyridine]-iridium(III) Hexafluorophosphate

This work presents the synthesis and structural characterization of a novel type of biscyclometalated Ir(III) complex, which is equipped with two iodoethynyl moieties on its 2,2′-bipyridine (bpy) ligand. Iodoethynyl moieties represent prominent donor systems for the formation of supramolecular struc...

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Bibliographic Details
Main Authors: Patrick Endres, Nishi Singh, Andreas Winter, Helmar Görls, Ulrich S. Schubert
Format: Article
Language:English
Published: MDPI AG 2025-06-01
Series:Molbank
Subjects:
iridium complexes
halogen bonding
organometallic compound
supramolecular chemistry
X-ray diffraction
Online Access:https://www.mdpi.com/1422-8599/2025/2/M2024
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Summary:This work presents the synthesis and structural characterization of a novel type of biscyclometalated Ir(III) complex, which is equipped with two iodoethynyl moieties on its 2,2′-bipyridine (bpy) ligand. Iodoethynyl moieties represent prominent donor systems for the formation of supramolecular structures via halogen bonding (X-bonding). The synthesis of <i>bis</i>(2-phenylpyridinato)-[4,4′-bis(iodoethynyl)-2,2′-bipyridine]iridium(III) hexafluorophosphate, (<b>2</b>)(PF<sub>6</sub>), is straightforward and involves post-complexation iodination, thus expanding the already rich toolbox for performing “chemistry on the complex”. The formation of the iodoethynyl moieties was unequivocally proven by <sup>1</sup>H-NMR spectroscopy, ESI-TOF mass spectrometry, and single-crystal XRD analysis.
ISSN:1422-8599

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