1: With copper(l) iodide; 5,5-bis(4,5-dihydrooxazol-2-yl)nonane; cesium fluoride in N,N-dimethyl-formamide T=90°C; P=760.051 Torr; 10 h; 2: With hydrogenchloride; water in N,N-dimethyl-formamide
1: With 1,1'-bis-(diphenylphosphino)ferrocene; palladium diacetate; N-ethyl-N,N-diisopropylamine in N,N-dimethyl-formamide T=80 - 90°C; 3 h; Inert atmosphere; 2: With hydrogenchloride in water pH=Ca. 4 - 6;
