4-(N,N-dimethlyamino)pyridine; palladium diacetate; 9,9-dimethyl-4,5-bis(diphenyl-phosphino)xanthene in 1,4-dioxane T=90°C; 0.333333 h; Sealed tubeMicrowave irradiation;

manganese(IV) oxide; sodium cyanide in tetrahydrofuran T=20°C; 26 h;

triethylamine in benzene

1: With manganese(IV) oxide; polymer-bound trimethyl ammonium cyanoborohydride in dichloromethane Heating; 2: With acetic acid Heating; Further stages.;