1: in tetrahydrofuran
T=0 - 20°C; 2.5 h; Inert atmosphere;
2: With sulfuric acid in tetrahydrofuran; water
3: With 1,8-diazabicyclo[5.4.0]undec-7-ene in dichloromethane
T=20°C; 1 h; Inert atmosphere;
参考文献
Wencel-Delord, Joanna; Alexakis, Alexandre; Crevisy, Christophe; Mauduit, Marc
Organic Letters, 2010 , vol. 12, # 19 p. 4335 - 4337