1: trimethylsilyl cyanide With trifluorormethanesulfonic acid in 2,3,4-trifluorotoluene T=-20°C; 0.0833333 h; Inert atmosphere; 2: 4'-methyl-2,3,4,5-tetrahydro-1,1'-biphenyl in 2,3,4-trifluorotoluene T=-20 - 0°C; Inert atmosphere;

sodium chloride in water; dimethyl sulfoxide

sodium hexamethyldisilazane Inert atmosphereSchlenk technique;

Yield given;

1: diisobutylaluminium hydride / |Inert atmosphere; |Schlenk technique 2: iron tribromide / toluene / 20 h / 110 °C / |Sealed tube; |Schlenk technique; |Inert atmosphere View Scheme