triethylamine; Co2Rh2 in tetrahydrofuran T=100°C; P=22800 Torr; 18 h;

in xylene T=140°C;

1: bromine / dichloromethane / |Inert atmosphere 2: triethylamine / dichloromethane / |Inert atmosphere 3: triethylamine / acetonitrile / |Inert atmosphere 4: hydrogenchloride / methanol; water / |Inert atmosphere 5: diethyl ether / |Inert atmosphere 6: N,N-dimethyl-formamide / |Heating; |Inert atmosphere View Scheme

1: triethylamine / dichloromethane / |Inert atmosphere 2: triethylamine / acetonitrile / |Inert atmosphere 3: hydrogenchloride / methanol; water / |Inert atmosphere 4: diethyl ether / |Inert atmosphere 5: N,N-dimethyl-formamide / |Heating; |Inert atmosphere View Scheme

1: diethyl ether 2: 100 °C View Scheme

1: diethyl ether / |Inert atmosphere 2: N,N-dimethyl-formamide / |Heating; |Inert atmosphere View Scheme