1: iridium(III) chloride hydtrate; [Ir(2-(2,4-difluorophenyl)pyridine)2(μ-Cl)]2 With sodium carbonate in ethylene glycol diethyl ether T=130 - 135°C; 2: pyridine-2-carboxylic acid in acetic acidethylene glycol diethyl ether T=130 - 135°C; 0.666667 h;

in 2-ethoxy-ethanol T=20°C; 3 h; Heating / reflux;

Na2CO3 in not given Ir-complex reacted with ligand in the presence of Na2CO3;

1: water; 2-ethoxy-ethanol 2: Na2CO3 / not given View Scheme

TFA-d1 (trifluoroacetic acid-d1) Mechanism;