中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
1-(4-(二氟甲基)苯基)乙酮 | 1-(4-(difluoromethyl)phenyl)ethanone | 179990-93-3 | C9H8F2O | 170.159 |
4'-三氟甲基苯乙酮 | 1-(4-trifluoromethylphenyl)ethanone | 709-63-7 | C9H7F3O | 188.149 |
Synthesis of a variety of aryldifluoromethylated coumarins by cascade radical cyclization reactions in systems where alkynoates and α,α-difluoroarylacetic acids coexist, using (NH4)2S2O8 as oxidant and CuI as catalyst. The transformation was accomplished under mild conditions.