反应条件
1: Et3N, 4-N,N-dimethylaminopyridine / various solvent(s) / 6 h / 60 °C
2: 60 percent / potassium fluoride / formamide / 2.5 h / 80 °C / 10 Torr
3: 90 percent / formic acid
View Scheme
参考文献
Fritz-Langhals, Elke; Schuetz, Gabi
Tetrahedron Letters, 1993 , vol. 34, # 2 p. 293 - 296