反应条件
1: 14 percent / p-TsOH / xylene / 20 h / Heating
2: 1) BuLi; 2) H2O / tetrahydrofuran; hexane; hexamethylphosphoric acid triamide / 1) r.t., 2 h
3: TsOH / methanol / 0.33 h / Ambient temperature
4: 96 percent / 1) 0.02N H2SO4; 2) 2N KOH / ethyl acetate; dioxane / 1) reflux, 30 min; 2) reflux, 30 min
View Scheme
参考文献
Voss, Gundula; Gerlach, Hans
Helvetica Chimica Acta, 1983 , vol. 66, # 7 p. 2294 - 2307
