反应条件
1: 1.) LDA / 1.) THF, hexane, -60 deg C, 30 min, 2.) THF, hexane, a) -78 deg C, 1 h, b) RT, overnight 2: 1.) TFA, 2.) 0.75 N HCl, AcOH, wet Dowex 50W X8 / 1.) CH2Cl2, from 0 deg C to RT, overnight, 2.) toluene, 100 deg C, 20 h View Scheme
参考文献
Krippner; Harding
Tetrahedron Asymmetry, 1994 , vol. 5, # 9 p. 1793 - 1804
