反应详情

To 6-methyl-2,3,4,5-tetrafluorobenzoic acid (5.60 g) is added thiony chloride (9.8 ml) and the mixture is refluxed for 1 hour. After concentrating, 6-methyl-2,3,4,5-tetrafluorobenzoyl chloride (5.20 g) is obtained as a colorless oil, b.p. 82° C./23 mmHg.

1. temperaturethe mixture is refluxed for 1 hour
2. concentrationAfter concentrating