反应条件
1: p-toluenesulfonic acid / toluene / Heating 2: 38 percent / dimethylformamide / a) room temperature, b) 60 deg C, 2 h View Scheme
参考文献
Okamoto, Hidenori; Kato, Shozo; Kobutani, Tadashi; Ogasawara, Masaru; Konnai, Makoto; Takematsu, Tetsuo
Agricultural and Biological Chemistry, 1991 , vol. 55, # 11 p. 2737 - 2744
