In an article, published in an article, once mentioned the application of 166330-10-5, Name is (Oxybis(2,1-phenylene))bis(diphenylphosphine),molecular formula is C36H28OP2, is a conventional compound. this article was the specific content is as follows.Product Details of 166330-10-5
Reaction of 5,6-diamino-1,10-phenanthroline (dap), chelating diphosphine ligands, 9,9-dimethyl-4,5-bis(diphenylphosphino)-9H-xanthene (xantphos) and bis[(2-diphenylphosphino)phenyl] ether (POP) with [Cu(MeCN)4]ClO4 afforded mononuclear [Cu(dap)(PP)]ClO4 (PP = xantphos, 1a; POP, 2a), binuclear [Cu2(mu-pdi)(PP)2](ClO4)2 (pdi = 1,10-phenanthroline-5,6-diimine) (PP = xantphos, 1b; POP, 2b) and [Cu2(mu-ttpd)(xantphos)2](ClO4)2 (1c) (ttpd = 8b,9,18,18a-tetrahydrotetrapyrido[3,2-a:2?,3?-c:3?,2?-h:2?,3?-j]phenazine-8b,18a-diamine) complexes. The ligand pdi with a quinone diimine form in complexes 1b and 2b is suggested to result from an in-situ two-electron oxidation of dap under the catalysis of Cu(I) and is stabilized by the coordination to Cu(I) ion, while the unprecedented ligand ttpd in complex 1c is suggested to originate from the in-situ oxidation, addition and cyclization reaction of dap induced and stabilized by crystallized Cu(I)-diimine-diphosphine complex. The plausible formation mechanisms for the Cu(I) complexes are proposed.
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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