1: Pb(II) thiocyanate With dibromotriphenyl-phosphorane in dichloromethane Cooling with ice; 2: acetoacetic acid 6-butyl ester in dichloromethane Cooling with iceReflux;
参考文献
Pritchard, Kaylene M.; Al-Rawi, Jasim
Synthetic Communications, 2008 , vol. 38, # 23 p. 4076 - 4096