反应条件
1: thionyl chloride 2: triethylamine / CHCl3 / 4 h / 35 °C 3: HCl / CHCl3 / 5 h / Heating 4: 86 percent / NaOH / ethanol / 1 h / Heating 5: 81.53 percent / powdered potassium hydroxide, hydrazine hydrate / ethane-1,2-diol / 1.) reflux, 1 h, 2.) reflux, 1 h 6: thionyl chloride, dimethylformamide 7: triethylamine / CHCl3 / 3 h / 35 °C 8: 20percent HCl / CHCl3 / 5 h / Heating 9: NaOH / ethanol 10: potassium carbonate / acetone / Heating 11: BF3*O(C2H5)2 / CHCl3 / 36 h / Ambient temperature 12: H2 / Raney nickel / ethanol / 9 h / Heating View Scheme
参考文献
Tetrahedron, , vol. 37, p. 227 - 230
