Application of 12150-46-8. Let’s face it, organic chemistry can seem difficult to learn. Especially from a beginner’s point of view. Like 12150-46-8, Name is 1,1-Bis(diphenylphosphino)ferrocene. In a document type is Article, introducing its new discovery.
Thermal reaction of [Ru2(CO)6(mu-PFu2)(mu- eta1,eta2-Fu)] (Fu = 2-furyl) (1) with bis(diphenylphosphanyl)methane (dppm), bis(diphenylphosphanyl)amine (dppam), or bis(diphenylphosphanyl)methylamine (dppma), produces the substitution products [Ru2(CO)4(mu-PFu2)(mu-eta1, eta2-Fu)(mu-L)] [2 (L = dppm), 3 (L = dppam), 4 (L = dppma)] in good yields. The Ru-Ru edge is bridged by the diphosphane in each case, while the mu-eta1,eta2-bound furyl fragment remains intact. When the reactions were carried out using bis (diphenylphosphanyl) ethane (dppe) or bis(diphenylphosphanyl)propane (dppp), the compounds [Ru2(CO)5(mu-PFu2)(mu- eta1-C6H4PPh (CH2)nPPh2)] [5 (n = 2), 6 (n = 3)] were isolated as the thermodynamic products in which both P atoms chelate to one Ru centre to afford five-(for 5) and six-membered (for 6) ruthenacycles, accompanied by orthometallation of one of the phenyl rings of the phosphane ligand. Interestingly, elimination of the coordinated furyl moiety occurs during the formation of 5 and 6. Upon reaction with bis (diphenylphosphanyl) butane (dppb), bis(diphenylphosphanyl)pentane (dpppe), or bis(diphenylphosphanyl)ferrocene (dppf), cyclometallation is not favoured in each case. Instead, [{Ru2(CO)5(mu-PFu2) (mu-eta1,eta2-Fu)}2(L)] [7a (L = dppb), 8a (L = dpppe), 9a (L = dppf)] and polymeric [Ru2(CO)4(mu-PFu2) (mu-eta1,eta2-Fu)(L)]n [7b (L = dppb), 8b (L = dpppe), 9b (L = dppf)] were obtained with the product yield depending on the stoichiometry of the reactants. All these new diruthenium complexes are electron-precise with 34 cluster valence electrons. Wiley-VCH Verlag GmbH, 69451 Weinheim, Germany, 2002.
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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