in gaseous matrix T=326.9°C; gas-phase Hammett replacement σ0 substituent constant was investigated;

pentaphenylferrocenyl di-tert-butylphosphine; bis(dibenzylideneacetone)-palladium(0) in tetrahydrofuran T=70°C; 4 h;

1: acetic acid tert-butyl ester With lithium hexamethyldisilazane in toluene T=-78°C; 1 h; Inert atmosphereSealed tube; 2: With zinc(II) chloride in tetrahydrofuran; toluene T=-78°C; 0.5 h; Inert atmosphereSealed tube; 3: 3-bromo-pyridine With (1,2,3,4,5-pentaphenylferrocen-1'-yl)-di-tert-butylphosphine; bis(dibenzylideneacetone)-palladium(0) in tetrahydrofuran; toluene T=70°C; 4 h; Inert atmosphereSealed tube;

1: bromoacetic acid tert-butyl ester With zinc in tetrahydrofuran T=20°C; 6 h; Inert atmosphereCooling with ice; 2: 3-chloro-pyridine With (1,2,3,4,5-pentaphenylferrocen-1'-yl)-di-tert-butylphosphine; bis(dibenzylideneacetone)-palladium(0) in tetrahydrofuran T=70°C; Reformatsky reaction; 12 h; Inert atmosphere;

bis(η3-allyl-μ-chloropalladium(II)); dicyclohexyl(2',6'-diisopropoxy-[1,1'-biphenyl]-2-yl)phosphine in 1,3,5-trimethyl-benzene T=20 - 140°C; 20.1667 h; Inert atmosphereSealed tube;

(1,2,3,4,5-pentaphenylferrocen-1'-yl)-di-tert-butylphosphine; bis(dibenzylideneacetone)-palladium(0) in tetrahydrofuran T=70°C; 4 h; Inert atmosphereSealed tube; Reagent/catalyst;

1: bromoacetic acid tert-butyl ester With iodine; zinc in tetrahydrofuran T=100°C; 0.0833333 h; microwave irradiation; 2: 3-bromo-pyridine With tetrakis(triphenylphosphine) palladium(0) in tetrahydrofuran T=120°C; 0.0833333 h; microwave irradiation; Further stages.;

iron(II) sulfate in ammonia 0.75 h; Yields of byproduct given;