Fig. 5
Synthesis of compounds 7a–7o. Reagents and conditions: a EtOH, TEA, 70 ℃, 24 h; b DMF, K2CO3, 100 ℃, 24 h. c DMF, K2CO3, 100 ℃, 20 h
Fig. 5 | BMC Chemistry
Synthesis of compounds 7a–7o. Reagents and conditions: a EtOH, TEA, 70 ℃, 24 h; b DMF, K2CO3, 100 ℃, 24 h. c DMF, K2CO3, 100 ℃, 20 h