反应详情

温度

80 °C

A mixture of 2.14 g (4.69 mmol) of the starting material XXX and 122 ml of concentrated hydrochloric acid was stirred at 80° C. A solid material precipitated from the starting solution. The reaction mixture was concentrated to about half of its volume, diluted with 40 ml of water and made alkaline with sodium hydrogen carbonate solution. The precipitated product was filtered off and washed with water to yield 1.40 g (70%) of the title compound. Mp.: 288° C.

1. customA solid material precipitated from the starting solution
2. concentrationThe reaction mixture was concentrated to about half of its volume
3. additiondiluted with 40 ml of water
4. filtrationThe precipitated product was filtered off
5. washwashed with water