An update on the compound challenge: 89972-77-0

The article 《Synthesis, Structural Characterization, Photophysical, Electrochemical, and Anion-Sensing Studies of Luminescent Homo- and Heteroleptic Ruthenium(II) and Osmium(II) Complexes Based on Terpyridyl-imidazole Ligand》 also mentions many details about this compound(89972-77-0)Synthetic Route of C22H17N3, you can pay attention to it, because details determine success or failure

Synthetic Route of C22H17N3. The fused heterocycle is formed by combining a benzene ring with a single heterocycle, or two or more single heterocycles. Compound: 4-(p-Tolyl)-2,2:6,2-terpyridine, is researched, Molecular C22H17N3, CAS is 89972-77-0, about Synthesis, Structural Characterization, Photophysical, Electrochemical, and Anion-Sensing Studies of Luminescent Homo- and Heteroleptic Ruthenium(II) and Osmium(II) Complexes Based on Terpyridyl-imidazole Ligand. Author is Bhaumik, Chanchal; Saha, Debasish; Das, Shyamal; Baitalik, Sujoy.

A series of hetero- and homoleptic tridentate ruthenium(II) and osmium(II) complexes of compositions [(tpy-PhCH3)Ru(tpy-HImzphen)](ClO4)2 (1), [(H2pbbzim)Ru(tpy-HImzphen)](ClO4)2 (2), and [M(tpy-HImzphen)2](ClO4)2 [M = RuII (3) and OsII (4)], where tpy-PhCH3 = 4′-(4-methylphenyl)-2,2′:6′,2”-terpyridine, H2pbbzim = 2,6-bis(benzimidazole-2-yl)pyridine and tpy-HImzphen = 2-(4-[2,2′:6′,2”]terpyridine-4′-yl-phenyl)-1H-phenanthro[9,10-d]imidazole, were synthesized and characterized by using standard anal. and spectroscopic techniques. X-ray crystal structures of three complexes 2, 3, and 4 were determined The absorption spectra, redox behavior, and luminescence properties of the complexes were thoroughly studied. All of the complexes display moderately strong luminescence at room temperature with lifetimes at 10-55 ns. The effect of solvents on the absorption and emission spectral behavior of the complexes also was studied. The anion sensing properties of all the complexes were studied in solution using absorption, emission, and 1H NMR spectral studies and by cyclic voltammetric (CV) measurements. The complexes 1, 3, and 4 act as sensors for F- only, whereas 2 acts as sensor for F-, AcO-, and to some extent for H2PO4-. It is evident that in the presence of excess of anions deprotonation of the imidazole N-H fragment(s) occurs in all cases, an event which is signaled by the development of vivid colors visible with the naked eye. The receptor-anion binding/equilibrium constants were evaluated.

The article 《Synthesis, Structural Characterization, Photophysical, Electrochemical, and Anion-Sensing Studies of Luminescent Homo- and Heteroleptic Ruthenium(II) and Osmium(II) Complexes Based on Terpyridyl-imidazole Ligand》 also mentions many details about this compound(89972-77-0)Synthetic Route of C22H17N3, you can pay attention to it, because details determine success or failure

Reference:
Metal catalyst and ligand design,
Ligand Template Strategies for Catalyst Encapsulation – NCBI