1: 92 percent / trifluoroacetic anhydride / benzene / 23 h / Ambient temperature 2: 91 percent / diethyl ether; various solvent(s) / room temp., 17 h; reflux, 1 h 3: toluene; various solvent(s) / 2.5 h / Heating 4: H2O / ethanol / 0.5 h / Heating View Scheme
参考文献
Carini, David J.; Duncia, John V.; Aldrich, Paul E.; Chiu, Andrew T.; Johnson, Alexander L.; et al.
Journal of Medicinal Chemistry, 1991 , vol. 34, # 8 p. 2525 - 2547