反应详情

温度

60 °C

An amount of 1 g (5.57 mmol) of 4-chloro-3-hydroxy benzoic acid is added 10 ml (115.8 mmol) of oxalyl chloride and refluxed at 60° C. till the solid had gone into solution. After cooling, the mixture is evaporated to dryness to give 4-chloro-3-hydroxy-benzoyl chloride.

1. temperatureAfter cooling
2. customthe mixture is evaporated to dryness