反应条件
1: 80 percent / aq. NaOH
2: 20.7 percent / Sodium methoxide, / dimethylformamide / 1.) 35 deg C, 10 min 2.) room temp. - 50 deg C, 2 h
3: 94 percent / 3N aq. HCl / methanol / 17 h / Ambient temperature
View Scheme
参考文献
Foye; Kauffman; Kim
Journal of Heterocyclic Chemistry, 1982 , vol. 19, # 3 p. 497 - 501