反应条件
1: 97.3 percent / polyphosphoric acid / 87 °C / 1) 1 min, 2) 30 min
2: diethyl ether / 1) RT, 20 min, 2) reflux, 30 min
3: 1.31 g / 4 N HCl / benzene; H2O / 0.17 h
View Scheme
参考文献
McCormick, John P.; Shinmyozu, Teruo; Pachlatko, J. Paul; Schafer, Tann R.; Gardner, Jeffrey W.; Stipanovic, Robert D.
Journal of Organic Chemistry, 1984 , vol. 49, # 1 p. 34 - 40