97038-96-5

2,2'',6,6''-Tetrabromo-1,1''-biphenyl is a research intermediate used in the preparation of triphenylenes, tetraphenylenes, and other related compound.

Butyl lithium (14 mmol) dissolved in hexane (5.6 mL) was added to a solution of 1,3-dibromo-2-iodobenzene (4.3 g, 12 mmol) dissolved in ethyl ether (0.18 L) at -75°C. The solution was stirred at -75 °C for 2 h. Copper(II) chloride (9.7 g, 72 mmol) was the