反应条件
1: 97 percent / DBU / acetonitrile / 0.33 h / 40 - 45 °C
2: 1.) NaOH / 1.) DMPU, room temperature, 15 min, 2.) DMPU
3: 94 percent / NaH, DMPU / dimethylformamide / 2 h / 100 °C
4: 74 percent / aq. NaOH / methanol / Heating
5: 88 percent / tetrahydrofuran / 0.75 h / Ambient temperature
6: 1.) PPh3, Pd(OAc)2, aq. Na2CO3 / 1.) DME, room temperature, 1 h, 2.) DME, reflux
7: 99 percent / POCl3 / acetonitrile / 0.5 h / Heating
View Scheme
参考文献
Geen, Graham R.; Mann, Inderjit S.; Mullane, M. Valerie; McKillop, Alexander
Tetrahedron, 1998 , vol. 54, # 33 p. 9875 - 9894
