反应条件
1: 3.) H2O / 1.) THF, -78 deg C, 5 min, 2.) THF, -78 deg C to room temp., 1 h
2: p-toluenesulfonic acid / CH2Cl2 / 2 h / Ambient temperature
View Scheme
参考文献
Corbin, Florence; Alayrac, Carole; Metzner, Patrick
Tetrahedron Letters, 1999 , vol. 40, # 12 p. 2319 - 2322
