Application of 161265-03-8, An article , which mentions 161265-03-8, molecular formula is C39H32OP2. The compound – (9,9-Dimethyl-9H-xanthene-4,5-diyl)bis(diphenylphosphine) played an important role in people’s production and life.
New mononuclear copper(I) and silver(I) compounds of formula [Cu(Xantphos)2]BF4 (1), [Ag(Xantphos)2]ClO4·H2O (2), [Cu(tBuXantphos)(BF4)] (3), [Ag(tBuXantphos)]ClO4 (4), and [Cu(Nixantphos)Br(DMF)] (5) [Xantphos = 4,5-Bis(diphenylphosphino)-9,9-dimethylxanthene, tBuXantphos = [9,9-dimethyl-4,5-bis(di-tert-butylphosphino)xanthene, Nixantphos = 4,6-bis(diphenylphosphino)phenoxazine] have been synthesized and characterized by spectroscopic methods and X-ray crystal structure determinations. The influence of the diverse Xantphos derivative ligands on the coordination in their copper(I) and silver(I) complexes is reported. Whereas copper(I) complexes adopt a coordination number of four, with tetrahedral (1 and 5) and square-planar (3) geometries; silver(I) complexes display coordination numbers of four and two with tetrahedral (2) and linear (4) geometries. A remarkable feature is the coordination of the BF4? anion to the copper(I) ion in 3. In addition, compounds 2 and 5 are emitting materials with radiation bands at around 485 nm.
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Reference：
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