1: With 1,3-bis-(diphenylphosphino)propane; palladium diacetate in N,N-dimethyl acetamide T=20°C; Inert atmosphere; 2: 4-methyl-styrene; 2-bromobenzolt;cgt;phenanthrene With tetrabutylammomium bromide; potassium carbonate in N,N-dimethyl acetamide T=100 - 140°C; Mizoroki-Heck reaction; Inert atmosphere;

1.1: sodium methylate / methanol / 24 h / 20 °C / Inert atmosphere 2.1: iodine / tetrahydrofuran; toluene / 20 h / Irradiation 3.1: 1,3-bis-(diphenylphosphino)propane; palladium diacetate / N,N-dimethyl acetamide / 20 °C / Inert atmosphere 3.2: 100 - 140 °C / Inert atmosphere View Scheme

1.1: iodine / tetrahydrofuran; toluene / 20 h / Irradiation 2.1: 1,3-bis-(diphenylphosphino)propane; palladium diacetate / N,N-dimethyl acetamide / 20 °C / Inert atmosphere 2.2: 100 - 140 °C / Inert atmosphere View Scheme