cis,cis,cis-tetrakis[(diphenylphosphanyl)methyl]cyclopentane; potassium carbonate; bis(η3-allyl-μ-chloropalladium(II)) in xylene T=130°C; Suzuki reaction; 20 h;

1: 9-bromo-anthracene With magnesium in anhydrous butyl ether T=135 - 141°C; 1 h; Inert atmosphere; 2: acetone; methyl iodide With iodine in anhydrous butyl ether T=7 - 20°C; 1.5 h; Inert atmosphere;

1.1: magnesium / anhydrous butyl ether / 1 h / 135 - 141 °C / |Inert atmosphere 1.2: 1.5 h / 7 - 20 °C / |Inert atmosphere 2.1: sulfuric acid; dihydrogen peroxide / 1,2-dichloro-ethane / 2.5 h / 50 °C 3.1: isopropyl-benzene / 15 h / 140 °C / |Inert atmosphere View Scheme

1: sulfuric acid; dihydrogen peroxide / 1,2-dichloro-ethane / 2.5 h / 50 °C 2: isopropyl-benzene / 15 h / 140 °C / |Inert atmosphere View Scheme

magnesium toluene, 2 h, reflux; Yield given. Multistep reaction;

2H8 dioxane-SO3 in 1,4-dioxane-d8 T=17°C; 0.333333 h; Mechanism;

diethyl ether