boron trifluoride diethyl etherate in dichloromethane T=-20°C; 2 h;
参考文献
Jayasundara, Dilushan R.; Duff, Thomas; Angione, M. Daniela; Bourke, Jean; Murphy, Deirdre M.; Scanlan, Eoin M.; Colavita, Paula E.
Chemistry of Materials, 2013 , vol. 25, # 20 p. 4122 - 4128
1: 4-nitro-phenol With n-butyllithium in diethyl ether 2: (2-oxo-5,5-diphenyl-oxazolidin-3-yl)-phosphonic acid diethyl ester in diethyl ether; dichloromethane Further stages.;