1.1: C20H24N2O2 / tetrahydrofuran / 1 h / 30 °C 1.2: 1 h / 25 °C 1.3: 10 h / 100 °C 2.1: 4-(N,N-dimethlyamino)pyridine; triethylamine / dichloromethane / 0.33 h / 20 °C 2.2: 0.25 h / 20 °C 3.1: 4-(N,N-dimethlyamino)pyridine; triethylamine; zinc / 2 h / 20 °C 4.1: ammonium cerium (IV) nitrate / acetonitrile / 0.17 h / 20 °C 4.2: 6 h View Scheme

in tetrahydrofuran addn. of org. bromide to suspn. of activated (HCl or chlorotrimethylsilane) Zn dust (room temp.);

暂无反应条件数据

{NiBr2(Tri-{n-butyl}-phosphin)2} in dichloromethane T=40°C; 0.583333 h;

{NiBr2(Tri-{n-butyl}-phosphin)2} in dichloromethane T=40°C; 0.583333 h; Product distribution;

in tetrahydrofuran 20 h; RefluxInert atmosphere; TimeTemperatureSolvent; regioselective reaction;