1: With trifluoroacetic anhydride in tetrahydrofuran T=0°C; 2.5 h; 2: With triethylamine in tetrahydrofuran; ethanol T=20°C; 4.5 h;
参考文献
McAllister, Laura A.; McCormick, Rosemary A.; James, Karen M.; Brand, Stephen; Willetts, Nigel; Procter, David J.
Chemistry - A European Journal, 2007 , vol. 13, # 4 p. 1032 - 1046
