反应详情

15 g of 1-naphthyl acetic acid and 90 ml of thionyl chloride were heated with stirring for 2 hours and the solution was concentrated under reduced pressure. The residue was taken up in toluene and concentrated to dryness under reduced pressure to obtain 16.3 g of the expected product which used as is for the next step.

1. concentrationthe solution was concentrated under reduced pressure
2. concentrationconcentrated to dryness under reduced pressure