反应条件
sulfuric acid; potassium carbonate; trifluoroacetic acid; trifluoroacetic anhydride 1) reflux, 4.5 h, 2) CH3OH; Multistep reaction;
参考文献
Hart, David J.; Kim, Adrienne; Krishnamurthy, Ramanarayanan; Merriman, Gregory H.; Waltos, Anne-Marie
Tetrahedron, 1992 , vol. 48, # 38 p. 8179 - 8188
