反应条件
1: 65 percent / hydroxylamine hydrochloride / ethanol / 1)r.t., 2 h, 2) reflux, 1 h
2: 70 percent / PCl3 / tetrahydrofuran / 0.67 h / Ambient temperature
3: 1) NaOCH3 / 1) methanol, reflux, 30 min, 2) methanol, reflux, 22 h
View Scheme
参考文献
DeGraw, Joseph I.; Tagawa, Hiroaki
Journal of Heterocyclic Chemistry, 1982 , vol. 19, p. 1461 - 1463