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Site-Selective Benzannulation of N-Heterocycles in Bidentate Ligands Leads to Blue-Shifted Emission from [(P^N)Cu]2(μ-X)2 Dimers
(American Chemical Society, 2018-04-12)
Benzannulated bidentate pyridine/phosphine (P^N) ligands bearing quinoline or phenanthridine (3,4-benzoquinoline) units have been prepared, along with their halide-bridged, dimeric Cu(I) complexes of the form [(P^N)Cu]2(μ-X)2. ...
Deep-Red Luminescence from Platinum(II) Complexes of N^N–^N-Amido Ligands with Benzannulated N-Heterocyclic Donor Arms
(American Chemical Society, 2020-08-18)
A synthetic methodology for accessing narrow-band, deep-red phosphorescence from mononuclear Pt(II) complexes is presented. These charge-neutral complexes have the general structure (N^N–^N)PtCl, in which the Pt(II) centers ...
Exploiting synergy between ligand design and counterion interactions to boost room temperature phosphorescence from Cu(i) compounds
(Royal Society of Chemistry, 2019-01-16)
The structural and photophysical properties of three sets of luminescent copper complexes of the form [(P^N)2Cu]X are presented. Here, P^N represents a bidentate ligand based on phenanthridine (3,4-benzoquinoline) incorporating ...
Monomeric zinc(II) amide complexes supported by bidentate, benzannulated phenanthridine amido ligands
(Elsevier, 2019-03-15)
The first examples of homoleptic zinc amides (1-Zn and 2-Zn) supported by chelating, benzannulated 4-amidophenanthridine ligands (L1, L2) are reported. The organometallic compounds were characterized fully both in solution ...
Luminescent Platinum(II) Complexes of N^N–^N Amido Ligands with Benzannulated N-Heterocyclic Donor Arms: Quinolines Offer Unexpectedly Deeper Red Phosphorescence than Phenanthridines
(American Chemical Society, 2019-10-22)
A platform for investigating the impact of π-extension in benzannulated, anionic pincer-type N^N–^N-coordinating amido ligands and their Pt(II) complexes is presented. Based on bis(8-quinolinyl)amine, symmetric and asymmetric ...
Monofunctional platinum(ii) anticancer complexes based on multidentate phenanthridine-containing ligand frameworks
(Royal Society of Chemistry, 2020-04-20)
Phenanthriplatin is a leading preclinical anticancer Pt complex distinguished by a phenanthridine ligand that facilitates DNA-targeted covalent binding via intercalation. We report here that Pt(II) complexes incorporating ...
Diiminepyridine-Supported Phosphorus(I) and Phosphorus(III) Complexes: Synthesis, Characterization, and Electrochemistry
(Wiley VCH, 2020-06-08)
The synthesis of phosphorus coordination complexes of redox non-innocent diiminepyridine (DIP) ligands with the pnictogen in both the P(I) and P(III) oxidation states is presented. Electrochemical characterization indicates ...
Catalytic C–H Bond Alkylation of Azoles with Alkyl Halides Mediated by Nickel(II) Complexes of Phenanthridine-Based N^N–^N Pincer Ligands
(American Chemical Society, 2020-04-24)
Ni(II) complexes supported by tridentate N^N–^N diarylamido pincer-type ligands have been demonstrated to act as active catalysts in the carbon–carbon bond forming alkylation of azoles using unactivated alkyl halides. Here, ...
P–C Bond Activation and Transfer of a Diphenylphosphino Unit from 1,1′-Bis(diphenylphosphino)ferrocene: Unexpected Templated Synthesis of an N^N–^P Pincer Ligand Palladium Complex
(American Chemical Society, 2021-07-26)
The Pd-catalyzed Buchwald–Hartwig amination of 2-bromo-1-iodobenzene with (4-amino-2-tert-butyl)phenanthridine using 1,1′-bis(diphenylphosphino)ferrocene (dppf) results in a side reaction involving the first reported example ...
Group VIII coordination complexes of bidentate P^N ligands bearing π-extended quinoline or phenanthridine N-heterocycles
(Royal Society of Chemistry, 2021-02-09)
A series of Fe and Ru coordination complexes supported by bidentate P^N ligands bearing π-extended phenanthridine (3,4-benzoquinoline; PhenLR,R') or quinoline (QuinLH,Ph) N-heterocycles have been synthesized and fully ...