Several complexes of the general formula, [RhIII(NNN)(NN)Cl]2+, have been synthesized (where NNN = 2,2':6',2"–terpyridine and NN = 2,2'–bipyridine, 1,10'–phenanthroline, 4,4'–dimethyl–2,2'–bipyridine, 3,4,7,8–tetramethyl–1,10'–phenanthroline and 4,4'–dimethoxy–2,2'–bipyridine). These complexes were synthesized using a modified literature procedure. All complexes were precipitated as the PF6– salt, without any purification, with yields ranging from 60% to 82%. Complexes were characterized using NMR and UV–Vis. Crystallization, for X–ray diffraction, of these products are currently being investigated. Continuing trials to convert the chloride complex to the triflate have shown interesting results, however with low yields. Optimization of these products are currently being performed. The complex of [RhIII(NNN)(NN)(OTf)]2+ will be synthesized with pyPorH2 (pyridylporphyrin) and its analogs to study their photochemical and photophysical properties.

Synthesis and characterization of rhodium(III) complexes using mixed polypyridyl ligands

254th National Meeting (2017)

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