反应详情

温度

4 °C

A mixture of 3-(4-diethylaminophenylamino)pent-2-enedioic acid diethyl ester (11.9 g, 34.2 mmol, see step (a) above), 1,4-benzoquinone (4.62 g, 42.8 mmol) and anhydrous MeCN (70 mL) was stirred at 70° C. for 2 d and at 4° C. for 1 d. The solid was collected and recrystallized from MeCN. Yield 4.5 g (30%).

1. customThe solid was collected
2. customrecrystallized from MeCN