1: With diisobutylaluminium hydride in toluene T=-78°C; 1 h; 2: With 2,2,6,6-tetramethyl-piperidine-N-oxyl; tetrabutyl-ammonium chloride; sodium hydrogencarbonate; N-chloro-succinimide; potassium carbonate in dichloromethane; water
1: With tri-tert-butyl phosphine; caesium carbonate; bis(1,5-cyclooctadiene)nickel (0) in hexane; toluene
T=0 - 20°C;
2: With hydrogenchloride in hexane; toluene
Further stages.;
