反应条件
1: 93 percent / H2SO4 / CH2Cl2 / Ambient temperature
2: 1) sodium formate, 2) KOH / 1) DMF, a) 110 deg C, 4h, b) RT, 2 days, 2) H2O, 30-40 deg C, 4h
3: 1) triethylamine, 2) pyridine, H2O / 1) RT, 1h, 2) RT
4: 40 percent / CHCl3 / 8 h / Heating
View Scheme
参考文献
Spande, Thomas F.
Journal of Organic Chemistry, 1980 , vol. 45, # 15 p. 3081 - 3084