Recommanded Product: 4-(p-Tolyl)-2,2:6,2-terpyridine. The protonation of heteroatoms in aromatic heterocycles can be divided into two categories: lone pairs of electrons are in the aromatic ring conjugated system; and lone pairs of electrons do not participate. Compound: 4-(p-Tolyl)-2,2:6,2-terpyridine, is researched, Molecular C22H17N3, CAS is 89972-77-0, about Luminescent platinum(II) complexes. Electronic spectroscopy of platinum(II) complexes of 2,2′:6′,2”-terpyridine (terpy) and p-substituted phenylterpyridines and crystal structure of [Pt(terpy)Cl][CF3SO3]. Author is Yip, Hon Kay; Cheng, Luk Ki; Cheung, Kung Kai; Che, Chi Ming.
[Pt(terpy)L]n+ (terpy = 2,2′:6′,2”-terpyridine; L = Cl, Br, I, N3, SCN-, n = 1; L’ = NH3, n = 2) were prepared and their spectroscopic and emission properties studied. Absorption bands are found at 300-350 and 370-450 nm, which are assigned to the intraligand and metal-to-ligand charge-transfer (MLCT) transitions, resp. [Pt{4′-(p-RC6H4)terpy}Cl]ClO4 (R = MeO, Me, Br, CN) were prepared by the reaction of K2[PtCl4] with 4′-(p-RC6H4)terpy in H2O-MeCN. Unlike [Pt(terpy)L’]n+ which show emission in the solid state only, [Pt{4′-(p-RC6H4)terpy}Cl]+ display 3MLCT emission in fluid solution at room temperature The crystal structure of [Pt(terpy)Cl][CF3SO3] was determined: monoclinic, space group P21/n, a 13.808(4), b 6.873(1), c 19.477(5) Å, β 105.54(2)°, Z = 4, R = 0.028, R’ = 0.034. In the unit cell, 2 [Pt(terpy)Cl]+ ions stack in a head-to-tail fashion with an intermol. Pt…Pt distance of 3.329(1) Å.
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Reference:
Metal catalyst and ligand design,
Ligand Template Strategies for Catalyst Encapsulation – NCBI