反应条件
1.1: titanium tetraethoxide / dichloromethane / 4 h / Reflux; Inert atmosphere 2.1: lithium diisopropyl amide / tetrahydrofuran; hexane / 1 h / -78 °C / Inert atmosphere 2.2: -78 - 20 °C / Inert atmosphere 3.1: trifluoroacetic acid / methanol / 3 h / 0 °C / Inert atmosphere 4.1: trifluoroacetic acid / toluene / 0.5 h / 140 °C / Microwave irradiation 4.2: pH 8 View Scheme
参考文献
Mastranzo, Virginia M.; Olivares Romero, Jose Luis; Yuste, Francisco; Ortiz, Benjamin; Sanchez-Obregon, Ruben; Garcia Ruano, Jose L.
Tetrahedron, 2012 , vol. 68, # 4 p. 1266 - 1271