sodium cyanide; ethanol und Erhitzen der Reaktionsloesung mit wss.Natronlauge;

N-bromosuccinmide; triphenylphosphine in DMF (N,N-dimethyl-formamide) T=20°C; 0.5 h;

copper(I) bromide in tetrahydrofuran; N,N,N',N',N'',N''-hexamethylphosphoric triamide 4 h; HeatingGrignard reagent added dropwise to the other reaction partners; Product distribution;

(γ-irradiation);