1: 37 percent / AcOH / 22 h / Heating
2: 87 percent / pyridine / 0.33 h / Heating
3: 63 percent / aq. HCl / dioxane / 3 h / Heating
4: 98.4 g / polyphosphoric acid / 45 h / 110 °C
View Scheme
参考文献
Kano, Shinzo; Ebata, Tsutomu; Shibuya, Shiroshi
Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1980 , p. 2105 - 2111
Bew, Clive; Joshi, Virginia Otero de; Gray, Jim; Kaye, Perry T.; Meakins, G. Denis
Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1982 , p. 945 - 948