反应条件
1: 79.0 g / NaH / toluene
2: 1.) MeONa / 1.) MeOH, room temp., 90 min, 2a.) MeOH, 18 h, 2b.) reflux, 3 h
3: 89 percent / 48percent aq. HBr/HBr(gas) / propionic acid / 4 h / Heating
4: 12.6 g / 2 h / 110 °C
5: 1.) BuLi / tetrahydrofuran / 1.) RT, 1 h, 2.) reflux, 5 h
View Scheme
参考文献
Chini, Marco; Crotti, Paolo; Macchia, Franco
Journal of Organic Chemistry, 1989 , vol. 54, # 16 p. 3930 - 3936