1: pyridine / 15 h / 20 °C 2: tetrakis(triphenylphosphine)palladium(0) / tetrahydrofuran / 24 h / 100 °C 3: trifluoroacetic acid / CH2Cl2 / 0.5 h 4: 99 percent / N-methylmorpholine, osmium tetraoxide / tetrahydrofuran; H2O / 24 h / 20 °C 5: 1.) methyl sulfide, N-chlorosuccinimide, 2.) triethylamine / 1.) dichloromethane, -40 deg C, 1 h, 2.) from -40 to 20 deg C, 1.5 h 6: 97 percent / trifluoromethanesulfonic acid / CH2Cl2 / 24 h 7: 88 percent / lithium aluminum hydride / tetrahydrofuran / 1 h / Heating View Scheme

With  aluminum isopropoxide in  isopropyl alcohol  Heating;   

Multi-step reaction with 2 steps 1: 66 percent / bis(benzonitrile)palladium(II) chloride, air / 2-methyl-propan-2-ol / 116 °C2: 100 percent / aluminum isopropoxide / propan-2-ol / Heating  

With  tin(IV) chloride in  nitromethane; dichloromethane  1.) -78 deg C, 1 h, 2.) slowly from -78 deg C to 20 deg C, 3.) 20 deg C, 2 h;