1: 1-chloro-3,4-methylenedioxybenzene With ethidium Bromide; magnesium; iron(II) chloride; magnesium chloride in tetrahydrofuran T=22 - 52°C; 23 h; 2: chloro-trimethyl-silane in tetrahydrofuran

NiCl2((PPh3)P)2 in 1,4-dioxane 1 h; Heating;