1: With N-ethyl-N,N-diisopropylamine in dichloromethane
T=20°C; 18 h;
2: With anhydrous copper sulphate; Amberlite IRC-718 in dichloromethane; water
T=20°C; 24 h;
参考文献
Convers, Emmanuelle; Tye, Heather; Whittaker, Mark
Tetrahedron, 2004 , vol. 60, # 39 p. 8729 - 8738