water T=25°C; different pH, different micelles, salt effects; Kinetics;

in benzene 50 h; Irradiation;

1: 1-iodo-1-(3,4,5-trimethoxyphenyl)ethylene With copper(l) iodide; tetrakis(triphenylphosphine) palladium(0); 1,8-diazabicyclo[5.4.0]undec-7-ene in water; N,N-dimethyl-formamide T=20°C; Sonogashira coupling; 0.0333333 h; 2: 2-(trimethylsilylethynyl)trifluoroacetanilide in water; N,N-dimethyl-formamide T=20°C; 12 h;

trifluoroacetic anhydride in trifluoroacetic acid T=56°C; 72 h;

in trifluoroacetic acid 0 deg C 30 min, then reflux 72 h;

in 1,2-dichloro-ethane T=0°C;

1: 74 percent / NaHCO3 / aq. ethanol / 96 h / Heating 2: 95 percent / trifluoroacetic acid / 0 deg C 30 min, then reflux 72 h View Scheme

1: 97 percent / triethylamine / hexane / ice-water bath, then room temperature, 1 h 2: (CF3CO)2O/CF3COOH / 72 h / 56 °C / various excess of trifluoroacetic anhydride View Scheme

in benzene 20 h; Irradiation;