反应条件
1.1: 4-formyl-1-methylpyridinium benzenesulfonate / CH2Cl2; dimethylformamide / 0.17 h / 23 °C 1.2: DBU / CH2Cl2; dimethylformamide / 0.25 h / 23 °C 1.3: 53 percent / aq. oxalic acid / CH2Cl2; dimethylformamide / 0.5 h / 23 °C 2.1: 97 percent / NaOAc / ethanol / 3 h / 23 °C 3.1: 92 percent / aq. AgNO3 / acetonitrile / 19 h / 23 °C View Scheme
参考文献
Endo, Atsushi; Yanagisawa, Arata; Abe, Masanao; Tohma, Shigemitsu; Kan, Toshiyuki; Fukuyama, Tohru
Journal of the American Chemical Society, 2002 , vol. 124, # 23 p. 6552 - 6554
