反应条件
1: 1) conc. HCl, glacial HOAc, 2) 2N NaOH / 1) 6 h, reflux, 2) 6 h, reflux
2: 5.9 percent / conc. HCl, FeCl3*H2O / ethanol / 6 h / Heating
View Scheme
参考文献
Rauckman; Tidwell; Johnson; Roth
Journal of Medicinal Chemistry, 1989 , vol. 32, # 8 p. 1927 - 1935
