反应详情

A mixture of 5-(1-methyl-3-trifluoromethyl-1H-pyrazol-5-yl)thiophene-2-carboxylic acid, oxalyl chloride, DMF and DCE was stirred at room temperature for 90 minutes and then treated in the usual way to give 5-(1-methyl-3trifluoromethyl-1H-pyrazol-5-yl)thiophene-2-carbonyl chloride as a brown solid.

1. additiontreated in the usual way