lithium diisopropyl amide in tetrahydrofuran T=40 - 45°C;

1: dibenzopyrrole With n-butyllithium in tetrahydrofuran; hexane T=-78°C; 0.0833333 h; Inert atmosphere; 2: pivaloyl chloride in tetrahydrofuran; hexane T=-78 - -20°C; 0.75 h; Inert atmosphere;

[bis(acetoxy)iodo]benzene; copper(II) bis(trifluoromethanesulfonate); trifluoroacetic acid in 1,2-dichloro-ethane T=50°C; 0.25 h;