29421-73-6

3,5-Dibromo-2-methylthiophene is a useful reagent for the preparation of arylthiophene-substituted norbornadienes.

At zero temperature, 120.0 mL of glacial acetic acid was used to dissolve the compound of formula 6, 2-methylthiophene (24.50 g, 250.00 mmol), and then placed into a 250.0 mL single-necked flask, and under rapid stirring, 30.0 mL of a mixture of liquid br