反应条件
1: Et3N / benzene / 2 h / Heating
2: TsOH / 1 h
3: 1.) acid Ti(3+), Zn, NaHCO3, 2.) aq. NaOH / 1.) methanol, pH 3-4, room temperature, 2.) methanol, 5 deg C, 18 h
View Scheme
参考文献
Andersen, Soeren H.; Das, Nalin B.; Joergensen, Ruth D.; Kjeldsen, Gunhild; Knudsen, Jes S.; et al.
Acta Chemica Scandinavica, Series B: Organic Chemistry and Biochemistry, 1982 , vol. 36, # 1 p. 1 - 14