Azobisisobutyronitrile → Ethyl 2'-bromomethyl-2-biphenylcarboxylate

Beteiligte Stoffe

Reaktionsschritte

2′-Bromomethyl-biphenyl-2-carboxylic acid ethyl ester was synthesized as described for 4′-bromomethyl-biphenyl-3-carboxylic acid ethyl ester. 2′-Methyl-biphenyl-2-carboxylic acid ethyl ester (10.35 g, 43.07 mmol, 1 eq.) in carbon tetrachloride was treated with N-bromosuccinimide (9.20 g, 51.68 mmol, 1.2 eq.) and 2,2′-azobisisobutyronitrile (0.35 g, 2.15 mmol, 5 mol %). When complete, the reaction was worked up as described leaving an orange oil.

Herkunft & Nachweise