反应条件
1: 87 percent / triethylamine / CH2Cl2 / 0 deg C, 1 h -> room temperature, 1 h 2: 96 percent / conc. sulfuric acid / methanol / 96 h / Ambient temperature 3: 77 percent / Heating View Scheme
参考文献
Lamm, Bo; Ankner, Kjell; Frantsi, Marianne
Acta Chemica Scandinavica, Series B: Organic Chemistry and Biochemistry, 1987 , vol. 41, # 3 p. 202 - 207