反应条件
1: 88 percent / n-butyllithium / tetrahydrofuran; hexane / -78 deg C for 0.5 h, then warmed to -45 deg C during 1.5 h, then 4 h at 0 deg C 2: 75 percent / aq. HCl, KF / ethanol / 10 h / Heating View Scheme
参考文献
Tetrahedron Letters, , vol. 25, # 4 p. 433 - 436
