反应详情

To a solution of 0.50 g (0.0012 mol) of 4-(4-chlorophenyl)-2-(4,6-dimethoxylpyrimidin-2ylthio)nicotinic acid in 7 ml of ethanol was added 0.30 g (0.0016 mol) of methanol solution of 28% sodium methylate at room temperature. After addition, the mixture was further stirred at room temperature for 20 minutes. The crystal thus precipitated was filtrated, and washed with ethanol and dried to obtain 0.46 g of a white powder of the aimed product.

1. additionAfter addition
2. customThe crystal thus precipitated
3. filtrationwas filtrated
4. washwashed with ethanol
5. customdried