1.1: 80 percent / AlCl3 / nitromethane 2.1: magnesium / diethyl ether / 2 h / Heating 2.2: diethyl ether / 12 h / Heating 3.1: 7 g / hydrochloric acid; acetic acid / H2O / Heating View Scheme

1.1: magnesium / diethyl ether / 2 h / Heating 1.2: diethyl ether / 12 h / Heating 2.1: 7 g / hydrochloric acid; acetic acid / H2O / Heating View Scheme

1.1: magnesium / diethyl ether / 2 h / Heating 1.2: diethyl ether / 12 h / Heating 2.1: 7 g / hydrochloric acid; acetic acid / H2O / Heating View Scheme

1: 4,4'-di-tert-butyl-2-bromobiphenyl With magnesium in tetrahydrofuran 2: 2,7-dibromo-9-fluorenone in tetrahydrofuran