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• Description

  3-Bromobiphenyl is an important industrial raw material, but also a very widely used organic synthesis intermediates, it is widely used in pharmaceutical, liquid crystal industry and other fields. In recent years, the export volume of 3-Bromobiphenyl in our country is increasing day by day, the main export object is some liquid crystal display production enterprises in Japan and South Korea.;

• synthesis

  Add 1-bromo-3-iodobenzene (4.67 g, 16.5mmol), phenylboronic acid (1.83 g, 15.0 mmol), Pd (OAc)2 (101 mg, 0.450 mmol), PPh3 (239 mg, 0.911 mmol), and K2CO3 (6.23 g, 45.1 mmol) to a 200 mL twonecked round-bottom flask. Add toluene (40 mL) and water (40 mL) via syringe and reflux the mixture (bath temp. 100°C) for 24 h. Extract the resulting mixture with ethyl acetate (30 mL x 3). Dry the combined organic layer over Na2SO4 and concentrate in vacuo. Purify the residue to silica gel column chromatography (eluent:hexane).;

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