反应详情

The solution of 17.8 g (100 mmol) of 5-fluoro-1-methyl-3-difluoromethyl-1H-pyrazole-4-carbaldehyde, 17.5 g (130 mmol) of sulphuryl chloride and 0.2 g of 2,2-azoisobutyronitrile in 50 ml of chlorobenzene was stirred at 80° C. for 6 hours.