1: With copper(l) iodide; caesium carbonate; L-proline in dimethyl sulfoxide
T=20°C;
2: With hydrogenchloride in methanol; dimethyl sulfoxide
T=60 - 80°C; Further stages.;
参考文献
Chen, Yu; Xie, Xiaoan; Ma, Dawei
Journal of Organic Chemistry, 2007 , vol. 72, # 24 p. 9329 - 9334