tricyclopentyl-phosphine in chloroform T=60°C; 48 h;

PPh3 gold(I) chloro complex; silver trifluoromethanesulfonate in dichloromethane T=50°C; Sealed tubeInert atmosphere;

1: Grubb's 2nd generation catalyst / toluene / 1.5 h / |Reflux; |Inert atmosphere 2: N-bromosuccinmide; 2,2'-azo-bisisobutyronitrile / chlorobenzene / 8 h / 120 °C / |Inert atmosphere 3: triethylamine / 96 h / |Reflux; |Inert atmosphere View Scheme

1: N-bromosuccinmide; 2,2'-azo-bisisobutyronitrile / chlorobenzene / 8 h / 120 °C / |Inert atmosphere 2: triethylamine / 96 h / |Reflux; |Inert atmosphere View Scheme

1: triethylamine / 20 °C / |Cooling with ice; |Inert atmosphere 2: Grubb's 2nd generation catalyst / toluene / 1.5 h / |Reflux; |Inert atmosphere 3: N-bromosuccinmide; 2,2'-azo-bisisobutyronitrile / chlorobenzene / 8 h / 120 °C / |Inert atmosphere 4: triethylamine / 96 h / |Reflux; |Inert atmosphere View Scheme

triethylamine 96 h; RefluxInert atmosphere;