Reference of 32993-05-8. Chemistry is an experimental science, and the best way to enjoy it and learn about it is performing experiments.Introducing a new discovery about 32993-05-8, Name is Chlorocyclopentadienylbis(triphenylphosphine)ruthenium(II)
A new diphosphinite derived from cyclohexane-1,4-diol: Oxidation reactions, metal complexes, P-O bond cleavage and X-ray crystal structures of Ph 2P(E)O(C6H10)OP(E)Ph2 (E = S, Se)
The reaction of cyclohexane-1,4-diol with chlorodiphenylphosphine affords bis(phosphinite), Ph2PO(C6H10)OPPh2 (1) in good yield. The bis(phosphinite) (1) reacts with H2O 2, elemental sulfur or selenium to give the corresponding dichalcogenide; the structures of the disulfide (3) and diselenide (4) derivatives are confirmed by X-ray crystal structure analysis. The reaction of 1 with phosphoryl azide, N3P(O)(OPh)2 gives the phosphinimine derivative, (PhO)2(O)PNPPh2O(C 6H10)OPh2PNP(O)(OPh)2 (5) in quantitative yield. Treatment of the ligand 1 with CpRu(PPh3) 2Cl results in a bis(phosphinite) bridged dinuclear complex, [CpRuCl(PPh3)]2(mu-PPh2O(C6H 10)OPPh2) (7) whereas the reaction of 1 with Pd(II) and Pt(II) derivatives afford cis-chelate complexes, [MCl2{Ph 2PO(C6H10)OPPh2}] (M = Pd, 8; Pt, 9). The reaction of 1 with Mo(CO)6 in the presence of TMNO¡¤2H2O does not give the expected cis-[Mo(CO) 4{Ph2PO(C6H10)OPPh2}]; instead a cubane-shaped tetranuclear molybdenum(V) complex, [Mo 4O4(mu3-O)4 (mu-O 2PPh2)4] (6) was obtained due to water assisted cleavage of P-O bonds.
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Highly efficient and robust molecular ruthenium catalysts for water oxidation,
Catalysts | Special Issue : Ruthenium Catalysts – MDPI