反应条件
1: 81 percent / piperidine / Pd(Ph3P)4, CuI / 15 h / 65 °C
2: 85 percent / KF / H2O; dimethylformamide / 4 h / 25 °C
3: 1) n-BuLi / 1) THF, -78 deg C, 1 h, 2) -78 to 25 deg C, 47.5 h
4: 1,4-cyclohexadiene / benzene-d6 / 84 °C / τ1/2, other trapping agents; other o-dialkynylarenes
View Scheme
参考文献
Semmelhack; Neu, Thomas; Foubelo, Francisco
Tetrahedron Letters, 1992 , vol. 33, # 23 p. 3277 - 3280
