copper(l) iodide; water; 1,8-diazabicyclo[5.4.0]undec-7-ene; bis-triphenylphosphine-palladium(II) chloride in benzene T=20°C; Sonogashira reaction; 18 h;

Mo(OSi(C6H5)3)3(C12H8N2)(CC6H5); manganese (II) chloride in toluene T=20°C; 3 h; Molecular sieveInert atmosphere;

bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; triethylamine T=20°C; 0.75 h;

potassium phosphate; triphenylphosphine; palladium diacetate in dimethyl sulfoxide T=80°C; 48 h;

1,8-diazabicyclo[5.4.0]undec-7-ene; palladium dichloride; 2-(dicyclohexylphosphino)-2',4',6'-tri-i-propyl-1,1’-biphenyl in dimethyl sulfoxide T=120°C; 24 h; Inert atmosphere;

1: 94 percent / ZnBr2; Pd(PPh3)4 / tetrahydrofuran / 4 h / 60 °C 2: 51 percent / CH3CH2CMo[N(t-Bu)(3,5-C6H3Me2)]3; α,α,α-trifluoro-o-cresol / various solvent(s) / 22 h / 30 °C / 5 Torr View Scheme

1: 12 percent / triethylamine; CuI / Pd(PPh3)2Cl2 / 24 deg C, then 65 deg C 2: 49 percent / Mo(CO)6, 4-chlorophenol / various solvent(s) / 140 °C View Scheme

bis-triphenylphosphine-palladium(II) chloride; 1,8-diazabicyclo[5.4.0]undec-7-ene; 1,4-di(diphenylphosphino)-butane in dimethyl sulfoxide T=110°C; 6 h;

in tetrahydrofuran Irradiation (UV/VIS); (Ar) soln. Cr complex and alkyne in THF was irradiated with Hg/Xe arc lamp (400-550 W) atb 210-600 nm for 5 h at room temp.; volatiles were removed in vacuo, residue was extd. with hexane, soln. was decanted and stored at -60°C overnight, soln. was filtered and evapd. in vacuo; elem. anal.;

iodine; dimethyl sulfoxide T=155°C; 14 h; Inert atmosphere;