1: 96 percent / KOH / methanol / 24 h / Heating 2: (COCl)2 / toluene / 4 h / Ambient temperature 3: toluene / 0.5 h / Ambient temperature View Scheme
参考文献
Baine, Neil H.; Owings, Franklin F.; Kline, Donald N.; Resnick, Theodore; Ping, Li-Jen; et al.
Journal of Organic Chemistry, 1994 , vol. 59, # 20 p. 5987 - 5989