反应详情

To a mixture of 3-vinylbenzoic acid (1.0 g, 6.75 mmol) in CH2Cl2 (20 mL) is added oxalyl chloride (2.35 mL, 3.42 g, 26.9 mmol) and 1 drop of DMF. After 2 h the solvent is removed under reduced pressure and the residue is redissolved in CH2Cl2 and concentrated again (4×) to afford the title compound which is used without further purification.

1. customAfter 2 h the solvent is removed under reduced pressure
2. dissolutionthe residue is redissolved in CH2Cl2
3. concentrationconcentrated again (4×)