反应条件
1: 1.) acetic acid, 2.) 60 percent aq. H2SO4 / 1.) 100 deg C, 2.) 110 deg C, 6 h
2: N-methylpyrrolidone / 1 h / 100 °C
View Scheme
参考文献
Sommer, Michael Bech; Begtrup, Mikael; Boegesoe, Klaus Peter
Journal of Organic Chemistry, 1990 , vol. 55, # 16 p. 4822 - 4827
