Nickel complexes with cyclic ligands containing P and N atoms as coordination sites: novel biomimetic catalysts for hydrogen oxidation

Conformational Analysis of P,N‐Containing Eight‐Membered Heterocycles and Their Pt/Ni Complexes in Solution

“…[44,45,65,68,[84][85][86] Unfortunately, we failed to obtain compound 3c. NiCl 2 was commercially available, Ni(CH 3 CN) 4 (BF 4 ) 2 and [PtCl 2 (COD)] (COD = 1,5-cyclooctadiene) were obtained according to literature procedures.…”

Organometallic Polymer Electrolyte Membrane Fuel Cell Bis‐Ligand Nickel(Ii) Complex of 1,5‐Di‐P‐Tolyl‐3,7‐Dipyridine‐1,5,3,7‐Diazadiphosphacyclo‐Octane Catalyst

“…The parameters for the Koutecky–Levich plot including the diffusion constant of O 2 , concentration of O 2 in an O 2 ‐saturated aqueous solution, and kinetic viscosity of the solution were taken from ref. .…”

“…Synthesis of the complex [Ni(P Py 2 N p-Tol 2 ) 2 ] 2 + ·2[BF 4 ] À has been described previously. [39][40]…”

“…A) Current-potential curve for O 2 reduction with ar otatingg lassy carbon disk electrode modified by catalyst Ni(Py-p-Tol) in 0.5 m H 2 SO 4 saturated with O 2 .Ptc ounter electrode, RHE reference electrode, scan rate = 50 mVs À1 ,d isk area = 0.0314 cm 2 .B )Corresponding Koutecky-Levich plot of the inverseof the rotating disk currentw ere measuredata tf ourdifferent voltages vs. RHEa saf unction of the square root of the inverse of the rotation rate. The parameters for the Koutecky-Levich plot includingthe diffusion constanto fO 2 ,c oncentration of O 2 in an O 2 -saturateda queoussolution,a nd kinetic viscosity of the solution were taken from ref [39]…”