Related Products of 17261-28-8, Chemistry can be defined as the study of matter and the changes it undergoes. You’ll sometimes hear it called the central science because it is the connection between physics and all the other sciences, starting with biology.17261-28-8, Name is 2-(Diphenylphosphino)benzoic acid, molecular formula is C19H15O2P. In a patent, introducing its new discovery.
The reaction of AgCF3SO3with diphenylphosphinobenzoic acids leads to a cyclic dinuclear or a polynuclear silver(I) compound, depending on the relative position of phosphine versus carboxylic functional group. The dimers [Ag2(OSO2CF3)2(mu-O,P-PPh2C6H4COOH-o)2] 1 or [{Ag(mu-O,P-PPh2C6H4COOH-o)(OH2)2}2](CF3SO3)2·2CH2Cl21a are 12-membered diargentacycles with a silver-silver distance of 3.982 or 3.754 A, while the polymer [Agn(OSO2CF3)n(mu-O,P-PPh2C6H4COOH-p)n] 2 is a 1D type. The ligand is always acting as non-chelating bridge, being the silver center coordinated to the phosphine phosphorous, and one oxygen (carbonyl) of the carboxylic acid of next fragment. One oxygen of the triflate anion or two water molecules complete the coordination sphere. Besides, p-(diphenylphosphino)benzoic acid compound is emissive in solution and in the solid state at 298 and 77 K, while compound with the ortho ligand is not. At 298 K, the emissions are centered at 471 nm in the solid state and at 416 nm in solution.
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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