反应条件
1: 59.2 percent / cc. H2SO4, / 65 °C
2: 66 percent / cc. H2SO4, / 4 h / Heating
3: 46.6 percent / BF3*OEt2, / 1.) 80 deg C, 2.) RT; 1 h,
4: 1.) cc. H2SO4, 2.) Na2CO3, / 1.) H2O, AcOH, 120 deg C, 2.) 60 deg C, 1 h,
View Scheme
参考文献
Takeuchi, Naoki; Sasaki, Yuki; Kosugi, Yoko; Tobinaga, Seisho
Chemical & Pharmaceutical Bulletin, 1989 , vol. 37, # 8 p. 2012 - 2015
