反应条件
1: 63.4 percent / p-toluenesulfonic acid monohydrate / 1.17 h / Heating
2: 6.4 percent / bis(tri-n-butyltin) oxide / 1) toluene, reflux, 1 h; 2) reflux, 13 h
View Scheme
参考文献
Tarumi; Atsumi
Journal of Heterocyclic Chemistry, 1983 , vol. 20, # 4 p. 875 - 885
