1: With 4-(N,N-dimethlyamino)pyridine; N-ethyl-N,N-diisopropylamine in dichloromethane T=22°C; 2: With trifluoroacetic acid in dichloromethane Further stages.;
参考文献
Hari, Anitha; Miller, Benjamin L.
Organic Letters, 1999 , vol. 1, # 13 p. 2109 - 2111