anhydrous iron chloride in 1,2-dichloro-ethane T=20°C; 1 h; chemoselective reaction;

TBA-Oxonereg; in dichloromethane T=20°C; 0.5 h;

[RuCl(η5-3-phenylindenyl)(PPh3)]; potassium hexamethylsilazane in acetone; toluene T=110°C; 16 h; Schlenk technique; Catalytic behavior; chemoselective reaction;