反应条件
1: pyridine / 1) 2-3 deg C, 4 h, 2) room temperature, 18 h
2: LiBr / dimethylformamide / 90 °C
3: 1) Mg / 1) ether, 2) -70 deg C, 0,4 h
View Scheme
参考文献
Menicagli, R.; Vecchiani, S.; Malanga, C.; Lardicci, L.
Journal of Organic Chemistry, 1984 , vol. 49, # 2 p. 313 - 317