triethylamine in dichloromethane T=20°C; 0.25 h;

1: With lithium hydroxide; water in tetrahydrofuran T=120°C; 0.166667 h; Microwave irradiation; 2: With hydrogenchloride; water in tetrahydrofuran; dichloromethane pH=1;

1: 4-bromo-2-(trifluoro-methoxy)iodobenzene With n-butyllithium in tetrahydrofuran T=-78°C; 0.5 h; Inert atmosphere; 2: carbon dioxide in tetrahydrofuran T=-78 - 20°C; Inert atmosphere;

hydrogenchloride Reflux;