Safety of 1,2-Bis(diphenylphosphino)ethane. Aromatic heterocyclic compounds can also be classified according to the number of heteroatoms contained in the heterocycle: single heteroatom, two heteroatoms, three heteroatoms and four heteroatoms. Compound: 1,2-Bis(diphenylphosphino)ethane, is researched, Molecular C26H24P2, CAS is 1663-45-2, about A Series of Mixed-Ligand Cu(I) Complexes Comprising Diphosphine-Disulfide Ligands: Effects of Diphosphine Ligands on Luminescent Properties. Author is Yamazaki, Yasuomi; Tsukuda, Toshiaki; Furukawa, Shota; Dairiki, Ayumi; Sawamura, Shota; Tsubomura, Taro.
Mixed-ligand Cu(I) complexes have attracted attention as alternatives to the noble- and/or rare-metal complexes, because of their remarkable photofunctions. To develop mixed-ligand Cu(I) complexes with rich photofunctions, an investigation of a suitable combination of ligands has captured more and more research interests. Herein, we report the first examples of emissive heteroleptic diphosphine-disulfide Cu(I) complexes combined with diphosphine ligands. The systematic study using a series of diphosphine ligands revealed that large π-conjugated bridging moieties between the two P atoms in the diphosphine ligands result in higher light-emission performance. When the diphosphine ligand was (R)-BINAP ((R)-BINAP = (R)-(+)-2,2′-bis(diphenylphosphino)-1,1′-binaphthyl), the Cu(I) complex had an emission quantum yield (Φem) of 0.13 and a long emission lifetime (τem = 118μs). Luminescent diphosphine-disulfide Cu(I) complexes were successfully synthesized by combining with diphosphine ligands that had large π-conjugated bridging moieties.
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Chiral nitrogen ligands in late transition metal-catalysed asymmetric synthesis—I. Addressing the problem of ligand lability in rhodium-catalysed hydrosilations,
Nitrogen-Containing Ligands for Asymmetric Homogeneous and Heterogeneous Catalysis