Related Products of 19845-69-3. Let’s face it, organic chemistry can seem difficult to learn. Especially from a beginner’s point of view. Like 19845-69-3, Name is 1,6-Bis(diphenylphosphino)hexane. In a document type is Article, introducing its new discovery.
Reaction of (AuC?CbpyC?CAu)n (HC?CbpyC? CH = 5,5?-diethynyl-2,2?-bipyridine) with diphosphine ligands Ph2P(CH2)nPPh2 (n = 1 dppm, 3 dppp, 5 dpppen, 6 dpph), 1,1?-bis(diphenylphosphino)ferrocene (dppf), and 1,2-bis(diphenylphosphino)benzene (bdpp) in CH2Cl2 afforded the corresponding dual luminescent gold(I) complexes [(AuC?CbpyC?CAu)2(mu-dppm)2] (1), [(AuC?CbpyC?CAu)2(mu-dppp)2] (2), [(AuC?CbpyC?CAu)2(mu-dpppen)2] (3), [(AuC?CbpyC?CAu)2(mu-dpph)2] (4), [(AuC?CbpyC?CAu)2(mu-dppf)2] (5), and [(AuC?CbpyC?CAu)2(mu-bdpp)2] (6). The solid structures of complexes 1 and 2 are confirmed to be tetranuclear macrocyclic rings by single crystal structure analysis, and those of complexes 3-6 are proposed to be similar to those of complexes 1 and 2 in structure because their good solubility in CH2Cl2, their HRMS results, and the P…P separations of 20.405-20.697 A in the same linear rigid P-Au-C?CbpyC?C-Au-P unit are all favorable to form such 2:4:2 macrocycles. Each of the absorption spectral titrations between complexes 1-6 and Yb(hfac)3(H2O)2 (Hhfac = hexafluoroacetylacetone) gives a 2:1 ratio between the Yb(hfac)3 unit and the complex 1-6 moieties. The energy transfer occurs efficiently from the gold(I) alkynyl antennas 1-6 to Yb(III) centers with the donor ability in the order of 1 ? 2 ? 3 ? 4 > 6 > 5.
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Phosphine ligand,
Chiral phosphine ligands in asymmetric synthesis. Molecular structure and absolute configuration of (1,5-cyclooctadiene)-(2S,3S)-2,3-bis(diphenylphosphino)butanerhodium(I) perchlorate tetrahydrofuran solvate