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Exploring the Chemistry and Photophysics of Substituted Picolinates Positional Isomers in Iridium(III) Bisphenylpyridine Complexes

Davidson, Ross; Hsu, Yu-Ting; Bhagani, Chandni; Yufit, Dmitry; Beeby, Andrew

Exploring the Chemistry and Photophysics of Substituted Picolinates Positional Isomers in Iridium(III) Bisphenylpyridine Complexes Thumbnail


Authors

Yu-Ting Hsu

Chandni Bhagani



Abstract

A simple and versatile route for modifying picolinate ligands coordinated to iridium is described. Reacting a μ-chloro iridium(C∧N) dimer (where C∧N is a phenylpyridine-based ligand) with bromopicolinic acid (HpicBr) yields the corresponding iridium(C∧N)2(picBr) complexes (1–4 and 11), which were readily modified by a Sonogashira reaction to give eight alkyne-substituted picolinate complexes (5–10, 12, and 13). The luminescent behavior of these complexes shows that the position of substitution about the picolinate ring has an effect on both photophysical behavior as well as the reactivity.

Citation

Davidson, R., Hsu, Y., Bhagani, C., Yufit, D., & Beeby, A. (2017). Exploring the Chemistry and Photophysics of Substituted Picolinates Positional Isomers in Iridium(III) Bisphenylpyridine Complexes. Organometallics, 36(15), 2727-2735. https://doi.org/10.1021/acs.organomet.7b00179

Journal Article Type Article
Acceptance Date Mar 8, 2017
Online Publication Date Jul 3, 2017
Publication Date Jul 3, 2017
Deposit Date Aug 24, 2017
Publicly Available Date Jul 3, 2018
Journal Organometallics
Print ISSN 0276-7333
Electronic ISSN 1520-6041
Publisher American Chemical Society
Peer Reviewed Peer Reviewed
Volume 36
Issue 15
Pages 2727-2735
DOI https://doi.org/10.1021/acs.organomet.7b00179
Public URL https://durham-repository.worktribe.com/output/1350994

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Copyright Statement
This document is the Accepted Manuscript version of a Published Work that appeared in final form in Organometallics copyright © American Chemical Society after peer review and technical editing by the publisher. To access the final edited and published work see https://doi.org/10.1021/acs.organomet.7b00179






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