In an article, author is Tang, Li-Hua, once mentioned the application of 455-24-3, Name is 4-(Trifluoromethyl)benzoic acid, molecular formula is C8H5F3O2, molecular weight is 190.12, MDL number is MFCD00002562, category is pyridazines. Now introduce a scientific discovery about this category, Product Details of 455-24-3.
Heteroleptic ruthenium(II) 2,2 ‘-bipyridine complexes incorporating substituted pyrazol-1-yl-pyridazine ancillaries
Condensation of 3,6-dichloropyridazine or 3,6-dichloro-4,5-dimethyl- pyridazine with 3-methyl-1H-pyrazole or 4-methyl-1H-pyrazole with the assistance of sodium metal in tetrahydrofuran at reflux afforded three 3,6-bis(pyrazolyl)- pyridazine-type ligands: 3,6-bis(3-methylpyrazolyl)pyridazine (L1), 3,6-bis(4-methyl- pyrazolyl)pyridazine (12) and 4,5-dimethyl-3,6-bis(4-methylpyrazolyl)pyridazine (L3). Reactions of cis-[RuCl2(bpy)(2)]center dot 2H(2)O (bpy= 2,2’-bipyridine) and L1, L2 or L3 in the presence of NH4PF6 produced the heteroleptic cationic ruthenium(II) complexes [Ru(L1)(bpy)(2)] (PF6)(2)(1), [Ru(L2)(bpy)(2)](PF6)(2) (2) and [Ru(L3)(bpy)(2)](PF6)(2) (3), respectively. The three complexes have been characterized by UV/Vis and luminescence spectroscopy. The crystal structures of 1 center dot EtOH, 2 center dot EtOH and 3 have been determined by single-crystal X-ray diffraction.
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Reference:
Pyridazine – Wikipedia,
,Pyridazine | C4H4N2 – PubChem