反应详情

温度

80 °C

To a solution of the product of above-mentioned (a) (0.36 g, 1.4 mmol) in acetic acid (0.8 ml) was added concentrated hydrochloric acid (0.4 ml) and stirred at 80° C. overnight. To the reaction solution was added ice-cold water, and the precipitated crystals were collected by filtration, washed with water, followed by drying to give 0.28 g of 5,6-indandicarboxylic acid.

1. additionTo the reaction solution was added ice-cold water
2. filtrationthe precipitated crystals were collected by filtration
3. washwashed with water
4. customby drying