反应详情

23 g (0.067 mol) of 9-(4-bromo-butyl)-9H-fluorene-9-carboxylic acid are dissolved in 40 ml dichloromethane and combined with three drops of dimethylformamide and 6.96 ml (0.081 mol) of oxalyl chloride, dissolved in 10 ml dichloromethane, under nitrogen at 0° C. The mixture is stirred for 3 hours at ambient temperature. Then the solvent is removed and the crude product is further reacted without any more purification.

1. customThen the solvent is removed
2. customthe crude product is further reacted without any more purification