Multi-step reaction with 2 steps 1: 71 percent / tetrahydrofuran2: 77 percent / NaH / tetrahydrofuran
参考文献
Fuerstner, Alois; De Souza, Dominic; Parra-Rapado, Liliana; Jensen, Jon T. Angewandte Chemie - International Edition, 2003 , vol. 42, # 43 p. 5358 - 5360