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Luminescent Rhenium(I) Phenanthroline Complexes with a Benzoxazol-2-ylidene Ligand: Synthesis, Characterization, and Photophysical Study

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https://figshare.com/articles/dataset/Luminescent_Rhenium_I_Phenanthroline_Complexes_with_a_Benzoxazol_2_ylidene_Ligand_Synthesis_Characterization_and_Photophysical_Study/2476039
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资源简介:
A series of luminescent rhenium­(I) phenanthroline complexes containing benzoxazol-2-ylidene ligands with the general formula {Re­(CO)3(phen)­[CN­(X)­C6H4-2-O]}+ and cis,trans-{Re­(CO)2(phen)­(L)­[CN­(H)­C6H4-2-O]}+ (X = H, methyl; phen = 1,10-phenanthroline; L = PPh3, PPh2Me, P­(OEt)3) have been synthesized and characterized. The X-ray crystal structures of most of the carbene complexes and some of their synthetic precursors have also been determined. A new synthetic methodology for the preparation of dicarbonyl rhenium diimine synthetic precursors with a labile acetonitrile ligand, [Re­(CO)2(phen)­(PR3)­(MeCN)]+, was developed. Photophysical study shows that these carbene complexes display a green to red 3MLLCT [dπ­(Re) → π*­(N–N)] phosphorescence at room temperature. The N-deprotonations of the benzoxazol-2-ylidene ligand in these complexes were investigated.
创建时间:
2016-02-20
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