反应条件
1: 78 percent / 3 percent hydrochloric acid / 5 h / heating on water-bath
2: 43 percent / orthophosphoric acid, phosphorous pentoxide / 36 h / Ambient temperature; 1) heating on water-bath, 2 h
View Scheme
参考文献
Ranade, A. C.; Mali, R. S.; Kurnawal, V. M.
Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1982 , vol. 21, # 6 p. 528 - 529