hydrogen; sodium acetate; palladium on activated charcoal in methanol

potassium carbonate in N,N-dimethyl-formamide T=80°C; 2 h;

sodium hydride in N,N-dimethyl-formamide T=150°C; 15 h;

in N,N-dimethyl-formamide 18 h; Heatingregioselective fluoroalkoxylation and polyfluoroalkoxylation of activated polyhalobenzenes with sodium 2,2,2-trifluoroethoxide; Product distribution;