Issue 11, 2018
From the journal:

New Journal of Chemistry

Influence of ancillary ligands on the photophysical properties of cyclometalated organoplatinum(ii) complexes†

Mozhgan Samandar Sangari,a   Mohsen Golbon Haghighi, ORCID logo *b   S. Masoud Nabavizadeh, ORCID logo a   Arno Pfitzner ORCID logo c  and  Mehdi Rashidi*a  

* Corresponding authors

a Professor Rashidi Laboratory of Organometallic Chemistry, Department of Chemistry, College of Sciences, Shiraz University, Shiraz 71467-13565, Iran

b Department of Chemistry, Shahid Beheshti University, Evin, Tehran 19839-69411, Iran
E-mail: m_golbon@sbu.ac.ir

c Institut für Anorganische Chemie, Universität Regensburg, Universitätstarsse 31, Regensburg D-93053, Germany

Abstract

Three series of cyclometalated organoplatinum(II) complexes [Pt(p-MeC6H4)(bhq)(L)], in which bhq is benzo[h]quinolinate and L is PPh3 (1a), PPh2Me (1b), or PPhMe2 (1c); [Pt(p-XC6H4)(bhq)(PPh2Me)], in which X is H (2a), F (2b), tBu (2c), OMe (2d), or Me (2e = 1b); and [Pt(bhq)X(PPh2Me)], in which X is CF3CO2 (3a), Cl (3b), or I (3c) were synthesized and fully characterized using multinuclear (1H and 31P) NMR spectroscopy and elemental analysis. Typical complexes [Pt(p-MeC6H4)(bhq)(PPhMe2)], 1c, [Pt(p-MeC6H4)(bhq)(PPh2Me)], 2e, and [Pt(bhq)Cl(PPh2Me)], 3b, were further characterized by single crystal X-ray crystallography. The photophysical properties of all the complexes were studied and the influence of changing the ancillary ligands and substituents on their luminescence properties were investigated and the assignments were confirmed by TD–DFT calculations.

Graphical abstract: Influence of ancillary ligands on the photophysical properties of cyclometalated organoplatinum(ii) complexes

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Article information

DOI
https://doi.org/10.1039/C7NJ04888B
Article type
Paper
Submitted
10 Dec 2017
Accepted
04 Apr 2018
First published
04 Apr 2018

New J. Chem., 2018,42, 8661-8671

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Influence of ancillary ligands on the photophysical properties of cyclometalated organoplatinum(II) complexes

M. Samandar Sangari, M. Golbon Haghighi, S. M. Nabavizadeh, A. Pfitzner and M. Rashidi, New J. Chem., 2018, 42, 8661 DOI: 10.1039/C7NJ04888B

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