反应详情

温度

60 °C

A mixture of the 6-nitropyridoquinoxalinedione (0.1 g, 0.38 mmol), 2-chlorosulfonyl thiophene (104 mg, 0.57 mmol), triethylamine (70 μl) in THF (5 mL) and DMF (5 mL) was stirred at 60° C. for 24 hours. The mixture was poured onto water and diethyl ether. The precipitate was collected by filtration, washed with water and ether, and dried in vacuo to give product as a yellow solid (80 mg) in 52% yield; mp >300° C. m/e, M+1 409 nmR, IR, CHN.

1. filtrationThe precipitate was collected by filtration
2. washwashed with water and ether
3. customdried in vacuo