N-ethyl-N,N-diisopropylamine in dichloromethane T=25°C; 2 h;

tin(IV)octabromotetraphenylporphyrinato trifluoromethanesulfonate T=20°C; 0.166667 h;

boron trichloride in hexane; pentane 1.) 0 deg C, 15 min, 2.) RT, 2 h;

1: 1-fluoro-4-[(methoxymethoxy)methyl]benzene With N,N,N',N'',N''-pentamethyldiethylenetriamine; sec.-butyllithium in tetrahydrofuran; cyclohexane T=-75°C; 2 h; 2: carbon dioxide in tetrahydrofuran; cyclohexane Further stages.;