反应条件
1: 95 percent / toluenesulfonic acid / xylene / 0.25 h / Heating
2: 86 percent / 2 h / Heating
3: 901 mg / pyridine / 1.5 h / 0 °C
4: 1.) 88percent formic acid, 2.) Ac2O / 1) 100 deg C, 30 min, 2) 100 deg C, 5 min
View Scheme
参考文献
Keana; Boyle; Erion; et al.
Journal of Organic Chemistry, 1983 , vol. 48, # 21 p. 3621 - 3626